# Seminar 01: Psychiatric Interview and Mental Status Examination ## Year 3: Psychiatry Clerkship --- ## Learning Objectives By the end of this seminar, students will be able to: 1. Conduct a comprehensive psychiatric interview 2. Perform a complete mental status examination 3. Document psychiatric findings accurately 4. Establish therapeutic rapport 5. Assess safety and risk factors 6. Formulate a biopsychosocial assessment --- ## Seminar Outline ### I. Introduction to the Psychiatric Interview The psychiatric interview represents the cornerstone of psychiatric assessment and serves multiple critical purposes simultaneously. Unlike other medical specialties where objective testing frequently drives diagnosis, psychiatry relies predominantly on the clinical interview to gather diagnostic information, establish rapport, and begin the therapeutic process. The interview is both a data-gathering instrument and a therapeutic intervention, as patients often experience relief simply from being heard and understood in a non-judgmental setting. Mastery of the psychiatric interview requires deliberate practice, self-reflection, and an understanding that each patient presents a unique opportunity to refine one's clinical skills. The goals of the psychiatric interview extend beyond simple information collection to encompass the establishment of a working therapeutic alliance. During the initial encounter, clinicians must simultaneously gather sufficient diagnostic information, assess for safety concerns, and create an environment in which patients feel comfortable disclosing sensitive personal information. The therapeutic alliance formed during the initial interview has been shown to predict treatment adherence and outcomes across psychiatric conditions. Effective interviewers balance the need for comprehensive data collection with the equally important goal of demonstrating empathy and genuine concern for the patient's wellbeing. Setting and preparation play crucial roles in facilitating an effective psychiatric interview. The interview environment should be private, comfortable, and safe for both patient and clinician, with seating arranged at the same level and at an appropriate distance that respects personal space while allowing for comfortable conversation. Clinicians should ensure adequate time is allocated, particularly for initial evaluations, and should have necessary documentation and rating scales prepared in advance. Safety considerations include positioning oneself with easy access to the door and ensuring that emergency assistance can be summoned if needed. The physical environment communicates respect and professionalism while minimizing distractions. The structure of the psychiatric interview typically follows a progression from open-ended exploration to focused questioning as the clinician develops and tests diagnostic hypotheses. The interview begins with introductions, clarification of the purpose of the meeting, and discussion of confidentiality and its limits. Moving from the chief complaint through the history of present illness, clinicians employ a variety of techniques including open-ended questions, facilitation, clarification, reflection, and summarization. The effective interviewer remains flexible, following the patient's narrative when productive while redirecting when necessary to cover essential content areas. Panel A: A diagram showing the dual goals of psychiatric interview including diagnostic assessment and therapeutic alliance formation. Panel B: An illustration of optimal interview room setup with appropriate seating arrangement, lighting, and safety considerations. Panel C: A flowchart depicting the progression from open-ended exploration to focused questioning during the interview. Panel D: A visual representation of key interviewing techniques including reflection, clarification, and summarization. --- ### II. History of Present Illness The history of present illness represents the most critical component of the psychiatric interview, requiring careful exploration of symptoms, their onset, course, severity, and impact on functioning. Effective clinicians approach symptom exploration systematically, determining when symptoms began, how they developed, what precipitated them, and how they have changed over time. The OPQRST mnemonic adapted for psychiatry helps ensure comprehensive coverage: onset, precipitants, quality of symptoms, radiation or spread of symptoms into other domains, severity, and timing patterns. Understanding the trajectory of symptoms provides essential information for differential diagnosis and treatment planning. Depression-specific questioning requires sensitivity and thoroughness, as patients may not spontaneously report all symptoms or may use language that differs from clinical terminology. Clinicians should inquire about mood quality, anhedonia, sleep disturbances, energy levels, concentration, appetite and weight changes, psychomotor changes, feelings of worthlessness or guilt, and suicidal ideation. The SIG E CAPS mnemonic provides a useful framework for ensuring comprehensive coverage of depressive symptoms. Questions should be phrased in accessible language, such as "How has your interest in things you usually enjoy been lately?" rather than "Do you have anhedonia?" Anxiety-specific questioning explores the nature, intensity, frequency, and impact of anxious symptoms across various contexts. Clinicians should inquire about the content of worries, physical manifestations of anxiety, avoidance behaviors, and the presence of panic attacks. Distinguishing between different anxiety presentations helps guide treatment selection, as generalized worry responds to different interventions than panic attacks or social anxiety. The temporal relationship between anxiety symptoms and specific situations or triggers provides valuable diagnostic information and helps identify potential targets for behavioral intervention. Psychosis-specific questioning requires particular skill, as patients may be guarded, lack insight into their symptoms, or become distressed when discussing unusual experiences. Clinicians should approach questions about hallucinations and delusions with curiosity rather than confrontation, using normalizing language when appropriate. Questions such as "Have you ever had experiences that others might find unusual?" or "Have you ever heard sounds or voices when no one was around?" provide entry points for exploring psychotic symptoms without implying judgment. Assessment of insight and the patient's own understanding of their experiences informs treatment planning and risk assessment. Panel A: A visual guide to the OPQRST mnemonic adapted for psychiatric symptom exploration. Panel B: An illustration of the SIG E CAPS mnemonic for depression screening with example questions for each domain. Panel C: A diagram showing the relationship between different anxiety presentations and their distinguishing features. Panel D: A flowchart for approaching psychosis assessment with graduated questioning techniques. --- ### III. Psychiatric History Past psychiatric history provides essential context for understanding current symptoms and guides treatment decisions based on previous responses and adverse reactions. Clinicians should document all previous psychiatric diagnoses, recognizing that diagnoses may have changed over time as symptoms evolved or as the patient was seen by different providers. Previous hospitalizations warrant detailed exploration including dates, facilities, reasons for admission, and treatments received. Suicide attempts require careful documentation of methods, intent, medical severity, and circumstances, as prior attempts represent the strongest predictor of future suicide. Documenting what treatments have been tried and their outcomes prevents repetition of ineffective approaches. Substance use history must be obtained from every psychiatric patient given the high prevalence of comorbid substance use disorders and the significant impact substances have on psychiatric symptoms and treatment. Clinicians should inquire about alcohol, cannabis, opioids, stimulants, benzodiazepines, hallucinogens, and tobacco, exploring patterns of use, quantity, frequency, route of administration, and consequences. The CAGE questionnaire provides a rapid screen for alcohol use disorder. Substance-induced psychiatric symptoms may mimic primary psychiatric disorders, making accurate substance history essential for differential diagnosis. Patients may minimize use, so questions should be asked matter-of-factly without implied judgment. Medical history contributes significantly to psychiatric assessment because numerous medical conditions cause or exacerbate psychiatric symptoms. Neurological conditions including head injuries, seizures, and neurodegenerative diseases frequently present with psychiatric manifestations. Endocrine disorders, particularly thyroid dysfunction, commonly cause mood and anxiety symptoms. Chronic pain conditions affect mood and may complicate treatment with concerns about controlled substances. Current medications should be reviewed carefully, as many have psychiatric side effects or interactions with psychotropic medications. Documentation of allergies and adverse drug reactions prevents harm. Family psychiatric history informs diagnosis and treatment through identification of genetic vulnerabilities and previous treatment responses in biological relatives. Patients with family histories of specific conditions have elevated risk for those same conditions. A family history of completed suicide elevates patient risk and warrants careful documentation. Family members' responses to specific medications may predict the patient's response, providing valuable guidance when selecting among treatment options. Clinicians should inquire specifically about depression, bipolar disorder, schizophrenia, anxiety disorders, substance use disorders, and suicide across multiple generations. Panel A: A template for documenting past psychiatric history including diagnoses, hospitalizations, and treatments. Panel B: A diagram illustrating the CAGE questionnaire and other substance use screening approaches. Panel C: A visual guide to medical conditions commonly presenting with psychiatric symptoms organized by organ system. Panel D: A genogram template showing how to document family psychiatric history across generations. --- ### IV. Social and Developmental History Developmental history provides insight into personality formation, attachment patterns, and vulnerabilities that shape current presentation and treatment response. Inquiry begins with pregnancy and birth complications that may have affected neurodevelopment, proceeding through achievement of developmental milestones. Childhood temperament and early behavioral patterns often predict adult personality traits. Academic performance and any learning difficulties provide information about cognitive functioning and potential developmental disorders. Adolescent experiences including peer relationships, identity development, and any behavioral problems round out the developmental picture. Trauma history requires sensitive inquiry given the high prevalence of traumatic experiences among psychiatric patients and their significant impact on presentation and treatment. Clinicians should screen for physical, sexual, and emotional abuse, as well as neglect and exposure to domestic or community violence. The Adverse Childhood Experiences questionnaire provides a structured framework for trauma assessment. Trauma history informs diagnosis, as many presentations may be better understood through a trauma lens. The manner of inquiry matters greatly; clinicians should ask permission before exploring trauma, provide psychoeducation, and remain attentive to signs of distress. Social history encompasses the patient's current life circumstances including relationships, living situation, employment, education, legal involvement, and military service. Relationship quality and social support strongly predict psychiatric outcomes and should be explored in detail. Housing stability affects treatment adherence and must be considered in discharge planning. Employment history reveals level of functioning and may uncover stressors contributing to current symptoms. Legal history, including arrests and pending charges, has implications for risk assessment and treatment planning. Veterans should be asked about combat exposure, military sexual trauma, and traumatic brain injury. Cultural considerations deserve explicit attention throughout the psychiatric interview, as culture shapes symptom expression, explanatory models, help-seeking behavior, and treatment expectations. Clinicians should explore the patient's cultural identity and how it influences their understanding of their current difficulties. The DSM-5 Cultural Formulation Interview provides a structured approach to cultural assessment. Patients may hold explanatory models that differ from biomedical frameworks, and understanding these beliefs facilitates alliance and treatment planning. Cultural factors influence what symptoms are reported, how distress is expressed, and what treatments are acceptable. Panel A: A developmental timeline template showing key domains to assess at each life stage. Panel B: An illustration of the Adverse Childhood Experiences categories with sensitive questioning approaches. Panel C: A social history assessment framework covering relationships, housing, employment, and legal domains. Panel D: A diagram of the Cultural Formulation Interview components including identity, conceptualization, stressors, and cultural features. --- ### V. Mental Status Examination Overview The mental status examination represents a systematic assessment of the patient's current mental state, analogous to the physical examination in other medical specialties. Unlike the history, which documents what the patient reports, the mental status examination documents what the clinician directly observes during the interview. The examination provides a cross-sectional snapshot of mental functioning that complements the longitudinal perspective provided by history. Serial mental status examinations over time document treatment response and symptom changes. All components should be assessed and documented even when findings are normal. The mental status examination comprises several distinct domains that collectively characterize cognitive and emotional functioning. These include appearance, behavior, speech, mood and affect, thought process, thought content, perceptions, cognition, and insight and judgment. Each domain provides unique information, and patterns across domains contribute to diagnostic formulation. For example, the combination of psychomotor retardation, constricted affect, and poverty of speech suggests depression, while pressured speech, expansive affect, and flight of ideas suggests mania. Systematic examination ensures comprehensive assessment. Documentation of mental status examination findings should be descriptive, objective, and organized according to standard convention. Rather than documenting interpretations, clinicians should record specific observations that support those interpretations. For example, rather than "patient appeared depressed," documentation should specify "patient appeared stated age, poorly groomed with unkempt hair and wrinkled clothing, made minimal eye contact, and sat slumped in chair." Complete documentation enables other clinicians to understand the patient's presentation and provides a baseline for comparison. The relationship between mental status examination and history merits explicit consideration. History represents information the patient reports about past events and experiences, while mental status examination documents the clinician's current observations. A patient might report chronic depression (history) while appearing euthymic on examination (mental status), suggesting possible symptom improvement. Conversely, a patient might deny current depression while exhibiting tearfulness and psychomotor retardation on examination, indicating possible minimization or poor insight. Integration of history and mental status findings guides diagnostic formulation. Panel A: A comprehensive diagram showing all mental status examination components organized by domain. Panel B: A Venn diagram illustrating the distinction between history (patient-reported) and mental status examination (clinician-observed). Panel C: Example documentation showing descriptive, objective language for mental status findings. Panel D: A visual guide to recognizing patterns across mental status domains that suggest specific diagnoses. --- ### VI. Appearance, Behavior, and Speech Appearance assessment begins as soon as the clinician encounters the patient and encompasses multiple observable characteristics. Age appearance compared to stated age may suggest chronic illness, substance use, or severe psychiatric conditions when patients appear older than expected. Dress and grooming reveal important information about self-care ability, judgment, and current functioning, with disheveled appearance suggesting depression, psychosis, or cognitive impairment. Body habitus, including evidence of significant weight change, may indicate eating disorders, depression, or medication effects. Observable physical findings such as tremor, scars, or tattoos warrant documentation. Behavioral observations document the patient's actions and interactions during the interview. Eye contact patterns range from appropriate to avoidant, staring, or darting, each carrying diagnostic implications. Motor activity may be normal, increased, or decreased, with psychomotor agitation suggesting anxiety or mania and psychomotor retardation suggesting depression. Cooperation and attitude toward the examiner may be characterized as cooperative, guarded, hostile, seductive, or indifferent. Abnormal movements including tics, tremors, dystonia, or stereotypies should be documented, as they may indicate neurological conditions or medication side effects. Speech assessment encompasses multiple parameters that together characterize the patient's verbal output. Rate refers to the speed of speech, which may be normal, rapid or pressured as in mania, or slow as in depression or sedation. Rhythm describes the regularity and flow of speech. Volume may be loud as often seen in mania or soft as in depression or anxiety. Tone may be normal or monotonous, the latter suggesting flat affect. The quantity of speech ranges from normal to poverty of speech indicating reduced output or pressured speech indicating excessive output. Various speech abnormalities carry specific diagnostic implications. Pressured speech, characterized by rapid, difficult-to-interrupt verbal output, strongly suggests mania or hypomania. Poverty of speech, with minimal, brief responses, may indicate depression, negative symptoms of schizophrenia, or cognitive impairment. Dysarthric speech, indicating motor speech difficulty, suggests neurological conditions or substance intoxication. Accented or unusual speech patterns may reflect cultural background rather than pathology. Speech assessment provides essential data for mood disorder diagnosis and monitoring. Panel A: A visual guide to appearance assessment showing grooming, dress, and physical characteristic observations. Panel B: An illustration of behavioral observations including eye contact patterns, motor activity levels, and attitude descriptors. Panel C: A diagram showing speech parameters including rate, rhythm, volume, tone, and quantity with examples of abnormalities. Panel D: A table linking speech abnormalities to common underlying conditions and diagnoses. --- ### VII. Mood and Affect Mood represents the patient's subjective emotional state over a sustained period, typically described in the patient's own words and documented in quotation marks. Clinicians should ask patients to describe their mood using open-ended questions such as "How would you describe your mood?" or "How have you been feeling emotionally?" Common patient descriptors include happy, sad, anxious, irritable, angry, hopeless, empty, or "fine." The time frame for mood assessment typically covers the past week to two weeks. Mood provides information about the patient's internal emotional experience rather than external expression. Affect refers to the observable, objective expression of emotion as perceived by the clinician during the examination. Unlike mood, which is reported by the patient, affect is assessed by the clinician based on facial expression, vocal tone, body language, and emotional responsiveness during the interview. Affect assessment encompasses multiple dimensions including range, intensity, mobility, appropriateness, and congruence with mood. A comprehensive affect assessment requires observation throughout the entire interview, as affect may shift during different topics of discussion. Specific affect descriptors allow precise characterization of emotional expression. Range refers to the variety of emotions expressed and may be full, constricted, or flat. A full range of affect indicates normal variability, constricted affect indicates limited but present emotional expression, and flat affect indicates virtually absent emotional expression. Intensity describes the strength of emotional expression, which may be normal, blunted, or heightened. Labile affect describes rapid, unpredictable shifts in emotional expression. Inappropriate affect describes emotional expression incongruent with verbal content. The relationship between mood and affect provides important diagnostic information. Mood-congruent affect means the observed emotional expression matches the patient's reported emotional state, which is expected in most conditions. Mood-incongruent affect, where observed emotional expression differs from reported mood, may suggest conversion symptoms, la belle indifference, or other dissociative processes. Documenting both mood and affect, with explicit notation of congruence or incongruence, ensures comprehensive assessment and facilitates communication among providers. Panel A: A diagram distinguishing mood (subjective, patient-reported) from affect (objective, clinician-observed). Panel B: A visual guide to affect dimensions including range, intensity, mobility, and appropriateness with examples. Panel C: An illustration of affect descriptors from flat through blunted, constricted, normal, to heightened. Panel D: Example scenarios demonstrating mood-congruent versus mood-incongruent affect with diagnostic implications. --- ### VIII. Thought Process and Content Thought process describes how the patient thinks, specifically the organization and flow of thoughts as revealed through speech patterns. Linear or goal-directed thought process indicates organized thinking that proceeds logically toward a goal. Circumstantial thought process involves overinclusive detail but eventually reaches the goal. Tangential thought process deviates from the topic without returning to the original point. Loose associations or derailment involves disconnected ideas without logical connection. Flight of ideas involves rapid shifting between topics connected by superficial associations. Thought blocking presents as sudden stops in speech with loss of the thread. Delusions represent fixed, false beliefs not shared by cultural or religious groups and not amenable to modification despite contrary evidence. Persecutory delusions, the most common type, involve beliefs about being harmed, followed, or conspired against. Referential delusions involve beliefs that random events or media content have special personal significance. Grandiose delusions involve inflated self-importance, special abilities, or special identity. Erotomanic delusions involve beliefs that another person is in love with the patient. Somatic delusions involve beliefs about body functioning or structure. Nihilistic delusions involve beliefs about non-existence or catastrophe. Assessment of other thought content includes suicidal ideation, homicidal ideation, obsessions, phobias, and preoccupations. Suicidal ideation should be assessed in every patient and characterized as passive versus active, with or without plan, intent, and means. Homicidal ideation requires assessment of specific targets, plan, intent, and access to weapons. Obsessions are intrusive, unwanted, repetitive thoughts that cause distress. Phobias are excessive fears of specific objects or situations. Preoccupations are dominant thoughts that consume attention, such as health concerns or relationship difficulties. Documentation of thought content should be specific and detailed, particularly regarding safety concerns. Positive findings should include the specific content of delusions or concerning ideation. For example, "endorses passive suicidal ideation, wishing he would not wake up, denies active ideation, plan, intent, or access to lethal means." Negative findings should be explicitly documented as "denies suicidal ideation, homicidal ideation, or hallucinations." The level of detail in documentation should be proportional to clinical significance, with safety-related content receiving the most thorough documentation. Panel A: A visual spectrum of thought process abnormalities from goal-directed through circumstantial, tangential, loose, and blocked. Panel B: A diagram illustrating common delusion types with characteristic examples of each. Panel C: A framework for comprehensive assessment of suicidal and homicidal ideation including ideation, plan, intent, and means. Panel D: Example documentation templates for positive and negative findings in thought content assessment. --- ### IX. Perceptions, Cognition, and Insight Perceptions refer to sensory experiences, with hallucinations defined as perceptions occurring without corresponding external stimuli. Auditory hallucinations, the most common type in primary psychiatric disorders, should be characterized as voices versus other sounds, single versus multiple voices, familiar versus unfamiliar, and command versus commentary. Visual hallucinations more often suggest organic etiologies and warrant medical workup. Tactile hallucinations, the sensation of being touched or of something on or under the skin, commonly occur in delirium or substance intoxication. Olfactory and gustatory hallucinations may suggest temporal lobe pathology. Illusions, the misperception of real external stimuli, should be distinguished from hallucinations. Cognitive examination assesses multiple domains including orientation, attention, memory, language, and executive function. Orientation to person, place, time, and situation provides a basic screen for gross cognitive impairment. Attention can be assessed through digit span, serial sevens, or spelling WORLD backward. Memory assessment includes immediate recall, short-term recall after delay, and remote memory for historical events. Language assessment includes naming, comprehension, repetition, and spontaneous speech. Executive function can be screened through clock drawing or abstraction tasks. Formal neuropsychological testing is indicated when cognitive concerns warrant detailed assessment. Standardized cognitive screening tools provide efficient, structured assessment of cognitive function. The Mini-Mental State Examination yields scores from zero to thirty across multiple domains but may miss mild impairment and has ceiling effects. The Montreal Cognitive Assessment provides greater sensitivity for mild cognitive impairment and includes more executive function testing. The Mini-Cog combines three-word recall with clock drawing for rapid screening. Selection of screening tool depends on the clinical question, patient population, and time available. Abnormal screening results warrant further evaluation. Insight refers to the patient's awareness and understanding of their psychiatric condition, while judgment refers to decision-making ability. Insight may be full, partial, or absent. A patient with full insight recognizes they have an illness and need treatment. Partial insight might involve recognition of some symptoms without acceptance of diagnosis or need for treatment. Absent insight, or anosognosia, involves complete lack of awareness of illness. Judgment can be assessed by asking about hypothetical situations or by observing the patient's decisions regarding their treatment and life circumstances. Panel A: A classification of hallucination types by sensory modality with characteristic features and common etiologies. Panel B: A comprehensive cognitive examination framework showing assessment methods for each domain. Panel C: A comparison of standardized cognitive screening tools including MMSE, MoCA, and Mini-Cog with indications. Panel D: A continuum of insight from full through partial to absent with clinical examples and treatment implications. --- ### X. Safety Assessment and Formulation Suicide risk assessment represents one of the most critical components of psychiatric evaluation, requiring systematic evaluation of risk factors, protective factors, and current ideation. Assessment should explore passive versus active ideation, presence of plan, availability of means, stated intent to act, and time frame. Historical factors including prior attempts and family history of suicide carry significant weight. Current clinical factors including hopelessness, impulsivity, agitation, and substance intoxication elevate acute risk. Protective factors including reasons for living, social support, and fear of death may mitigate risk. Documentation should explicitly list risk and protective factors with clinical reasoning. Risk stratification integrates assessment findings into an overall estimate of risk level that guides clinical decision-making. Low risk is characterized by ideation without plan, intent, or means, with strong protective factors, and typically allows outpatient management with safety planning. Moderate risk involves ideation with plan but without clear intent or means, requiring close follow-up and possible hospitalization consideration. High risk involves ideation with plan, means, and intent, typically requiring hospitalization. Imminent risk involves immediate danger requiring emergency hospitalization. Risk level is dynamic and requires reassessment with clinical changes. Violence risk assessment follows similar principles, examining historical factors, clinical factors, and situational factors that elevate risk of harm to others. History of violence represents the strongest predictor of future violence. Current factors including active psychotic symptoms with paranoid content, command hallucinations, threats with specific targets, and substance intoxication warrant concern. Access to weapons should be explicitly assessed. Documentation should include specific threats, intended targets, plans, and means. Duty to warn obligations may apply when specific, identifiable victims are threatened. The biopsychosocial formulation integrates information gathered through interview into a coherent understanding of the patient's presentation. Biological factors include genetics, medical conditions, substance use, and medication effects. Psychological factors encompass personality, coping styles, defense mechanisms, trauma history, and cognitive patterns. Social factors include relationships, support systems, stressors, cultural context, and socioeconomic circumstances. The formulation explains why this particular patient developed these particular symptoms at this particular time, providing a framework that guides individualized treatment planning. Panel A: A comprehensive suicide risk assessment framework showing risk factors, protective factors, and warning signs. Panel B: A risk stratification matrix linking assessment findings to risk level and recommended interventions. Panel C: A violence risk assessment framework including historical, clinical, and situational factors. Panel D: A biopsychosocial formulation template showing integration of biological, psychological, and social factors into a coherent narrative. --- ## Summary - The psychiatric interview serves dual purposes of diagnostic assessment and therapeutic alliance formation, with both functions essential for effective treatment - History of present illness requires systematic symptom exploration including onset, course, severity, precipitants, and impact on functioning across domains - Past psychiatric history documents previous diagnoses, hospitalizations, treatments, responses, and suicide attempts to guide current management - Social history encompasses developmental factors, trauma, current relationships, living situation, employment, and cultural considerations - Mental status examination provides cross-sectional, objective assessment of current mental state distinct from patient-reported history - Mood is subjective and patient-reported while affect is objective and clinician-observed, with congruence or incongruence carrying diagnostic significance - Thought process describes how patients think while thought content describes what they think about, including delusions and safety concerns - Hallucinations are perceptions without external stimuli, with auditory most common in psychiatric disorders and visual suggesting organic causes - Safety assessment requires explicit evaluation of suicidal and homicidal ideation, plan, means, intent, risk factors, and protective factors - Biopsychosocial formulation integrates biological, psychological, and social factors into coherent understanding guiding individualized treatment --- ## Key Terms | Term | Definition | |------|------------| | Mental status examination | Cross-sectional assessment of current mental state through direct clinician observation | | Affect | Observable expression of emotion as perceived by the clinician | | Mood | Subjective emotional state reported by the patient | | Delusion | Fixed false belief not shared by cultural group and resistant to contrary evidence | | Hallucination | Perception occurring without corresponding external stimulus | | Insight | Patient's awareness and understanding of their psychiatric condition | | Tangential | Thought process that deviates from topic without returning to original point | | Flight of ideas | Rapid shifting between topics connected by superficial associations | --- *This content is subject to the [MIT License](https://opensource.org/licenses/MIT). © 2024–2026 Hibbert School of Medicine.*