Vocabulary

Acceptance and commitment therapy
A therapeutic approach designed to foster nonjudgmental observation of one’s own mental processes.
Agonists
A drug that increases or enhances a neurotransmitter’s effect.
Agoraphobia
A sort of anxiety disorder distinguished by feelings that a place is uncomfortable or may be unsafe because it is significantly open or crowded.
Alogia
A reduction in the amount of speech and/or increased pausing before the initiation of speech.
Amnesia
The loss of memory.
Amygdala
A brain structure in the limbic system involved in fear reactivity and implicated in the biological basis for social anxiety disorder.
Anhedonia
Loss of interest or pleasure in activities one previously found enjoyable or rewarding.
Anhedonia/amotivation
A reduction in the drive or ability to take the steps or engage in actions necessary to obtain the potentially positive outcome.
Animism
The belief that everyone and everything had a “soul” and that mental illness was due to animistic causes, for example, evil spirits controlling an individual and his/her behavior.
Antagonist
A drug that blocks a neurotransmitter’s effect.
Antisocial
A pervasive pattern of disregard and violation of the rights of others. These behaviors may be aggressive or destructive and may involve breaking laws or rules, deceit or theft.
Antisocial personality disorder
Counterpart diagnosis to psychopathy included in the third through fifth editions of the Diagnostic and Statistical Manual of Mental Disorders (DSM; APA, 2000). Defined by specific symptoms of behavioral deviancy in childhood (e.g., fighting, lying, stealing, truancy) continuing into adulthood (manifested as repeated rule-breaking, impulsiveness, irresponsibility, aggressiveness, etc.).
Anxiety
A mood state characterized by negative affect, muscle tension, and physical arousal in which a person apprehensively anticipates future danger or misfortune.
Anxiety
A state of worry or apprehension about future events or possible danger that usually involves negative thoughts, unpleasant physical sensations, and/or a desire to avoid harm.
Anxiety disorder
A group of diagnoses in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) classification system where anxiety is central to the person’s dysfunctioning. Typical symptoms include excessive rumination, worrying, uneasiness, apprehension, and fear about future uncertainties either based on real or imagined events. These symptoms may affect both physical and psychological health. The anxiety disorders are subdivided into panic disorder, specific phobia, social phobia, posttraumatic stress disorder, obsessive-compulsive disorder, and generalized anxiety disorder.
Asylum
A place of refuge or safety established to confine and care for the mentally ill; forerunners of the mental hospital or psychiatric facility.
Attributional style
The tendency by which a person infers the cause or meaning of behaviors or events.
Automatic thoughts
Thoughts that occur spontaneously; often used to describe problematic thoughts that maintain mental disorders.
Avoidant
A pervasive pattern of social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation.
Biological vulnerability
A specific genetic and neurobiological factor that might predispose someone to develop anxiety disorders.
Biopsychosocial model
A model in which the interaction of biological, psychological, and sociocultural factors is seen as influencing the development of the individual.
Borderline
A pervasive pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity.
Borderline Personality Disorder
This personality disorder is defined by a chronic pattern of instability. This instability manifests itself in interpersonal relationships, mood, self-image, and behavior that can interfere with social functioning or work. It may also cause grave emotional distress.
Catatonia
Behaviors that seem to reflect a reduction in responsiveness to the external environment. This can include holding unusual postures for long periods of time, failing to respond to verbal or motor prompts from another person, or excessive and seemingly purposeless motor activity.
C​athartic method
A therapeutic procedure introduced by Breuer and developed further by Freud in the late 19th century whereby a patient gains insight and emotional relief from recalling and reliving traumatic events.
Chronic stress
Discrete or related problematic events and conditions which persist over time and result in prolonged activation of the biological and/or psychological stress response (e.g., unemployment, ongoing health difficulties, marital discord).
Cognitive behavioral therapy (CBT)
Psychotherapy approach that incorporates cognitive techniques (targeting unhelpful thoughts) and behavioral techniques (changing behaviors) to improve psychological symptoms.
Cognitive bias modification
Using exercises (e.g., computer games) to change problematic thinking habits.
Cognitive failures
Every day slips and lapses, also called absentmindedness.
Cognitive-behavioral therapy (CBT)
A family of approaches with the goal of changing the thoughts and behaviors that influence psychopathology.
Comorbidity
Describes a state of having more than one psychological or physical disorder at a given time.
Conditioned response
A learned reaction following classical conditioning, or the process by which an event that automatically elicits a response is repeatedly paired with another neutral stimulus (conditioned stimulus), resulting in the ability of the neutral stimulus to elicit the same response on its own.
Consciousness
The quality or state of being aware of an external object or something within oneself. It has been defined as the ability to experience or to feel, wakefulness, having a sense of selfhood, and the executive control system of the mind.
Contingency management
A reward or punishment that systematically follows a behavior. Parents can use contingencies to modify their children’s behavior.
Cross-sectional design
Research method that involves observation of all of a population, or a representative subset, at one specific point in time.
Cultural relativism
The idea that cultural norms and values of a society can only be understood on their own terms or in their own context.
Defensive coping mechanism
An unconscious process, which protects an individual from unacceptable or painful ideas, impulses, or memories.
Delusions
False beliefs that are often fixed, hard to change even in the presence of conflicting information, and often culturally influenced in their content.
Dependent
A pervasive and excessive need to be taken care of that leads to submissive and clinging behavior and fears of separation.
DES
Dissociative Experiences Scale.
Diagnostic criteria
The specific criteria used to determine whether an individual has a specific type of psychiatric disorder. Commonly used diagnostic criteria are included in the Diagnostic and Statistical Manual of Mental Disorder, 5th Edition (DSM-5) and the Internal Classification of Disorders, Version 9 (ICD-9).
Dialectical behavior therapy (DBT)
A treatment often used for borderline personality disorder that incorporates both cognitive-behavioral and mindfulness elements.
Dialectical worldview
A perspective in DBT that emphasizes the joint importance of change and acceptance.
DID
Dissociative identity disorder, formerly known as multiple personality disorder, is at the far end of the dissociative disorder spectrum. It is characterized by at least two distinct, and dissociated personality states. These personality states – or ‘alters’ - alternately control a person’s behavior. The sufferer therefore experiences significant memory impairment for important information not explained by ordinary forgetfulness.
Disorganized behavior
Behavior or dress that is outside the norm for almost all subcultures. This would include odd dress, odd makeup (e.g., lipstick outlining a mouth for 1 inch), or unusual rituals (e.g., repetitive hand gestures).
Disorganized speech
Speech that is difficult to follow, either because answers do not clearly follow questions or because one sentence does not logically follow from another.
Dissociation
A disruption in the usually integrated function of consciousness, memory, identity, or perception of the environment.
Dopamine
A neurotransmitter in the brain that is thought to play an important role in regulating the function of other neurotransmitters.
Drug diversion
When a drug that is prescribed to treat a medical condition is given to another individual who seeks to use the drug illicitly.
Early adversity
Single or multiple acute or chronic stressful events, which may be biological or psychological in nature (e.g., poverty, abuse, childhood illness or injury), occurring during childhood and resulting in a biological and/or psychological stress response.
Ego depletion
The idea that people have a limited pool of mental resources for self-control (e.g., regulating emotions, willpower), and this pool can be used up (depleted).
Emotion regulation
The ability to recognize emotional experiences and respond to situations by engaging in strategies to manage emotions as necessary.
Endophenotypes
A characteristic that reflects a genetic liability for disease and a more basic component of a complex clinical presentation. Endophenotypes are less developmentally malleable than overt behavior.
Enzyme
A protein produced by a living organism that allows or helps a chemical reaction to occur.
Enzyme induction
Process through which a drug can enhance the production of an enzyme.
Episodic memory
The ability to learn and retrieve new information or episodes in one’s life.
Etiology
The causal description of all of the factors that contribute to the development of a disorder or illness.
Measures the firing of groups of neurons in the cortex. As a person views or listens to specific types of information, neuronal activity creates small electrical currents that can be recorded from non-invasive sensors placed on the scalp. ERP provides excellent information about the timing of processing, clarifying brain activity at the millisecond pace at which it unfolds.
Exposure therapy
A form of intervention in which the patient engages with a problematic (usually feared) situation without avoidance or escape.
Exposure treatment
A technique used in behavior therapy that involves a patient repeatedly confronting a feared situation, without danger, to reduce anxiety.
External cues
Stimuli in the outside world that serve as triggers for anxiety or as reminders of past traumatic events.
Fantasy proneness
The tendency to extensive fantasizing or daydreaming.
Fear of negative evaluation
The preoccupation with and dread of the possibility of being judged negatively by others.
Fear of positive evaluation
The dread associated with favorable public evaluation or acknowledgment of success, particularly when it involves social comparison.
Fight or flight response
A biological reaction to alarming stressors that prepares the body to resist or escape a threat.
Five-Factor Model
Five broad domains or dimensions that are used to describe human personality.
Flashback
Sudden, intense re-experiencing of a previous event, usually trauma-related.
Flat affect
A reduction in the display of emotions through facial expressions, gestures, and speech intonation.
Free association
In psychodynamic therapy, a process in which the patient reports all thoughts that come to mind without censorship, and these thoughts are interpreted by the therapist.
Functional capacity
The ability to engage in self-care (cook, clean, bathe), work, attend school, and/or engage in social relationships.
Functional magnetic resonance imaging (fMRI)
Entails the use of powerful magnets to measure the levels of oxygen within the brain that vary with changes in neural activity. That is, as the neurons in specific brain regions “work harder” when performing a specific task, they require more oxygen. By having people listen to or view social percepts in an MRI scanner, fMRI specifies the brain regions that evidence a relative increase in blood flow. In this way, fMRI provides excellent spatial information, pinpointing with millimeter accuracy, the brain regions most critical for different social processes.
General population
A sample of people representative of the average individual in our society.
Generalized anxiety disorder (GAD)
Excessive worry about everyday things that is at a level that is out of proportion to the specific causes of worry.
Grandiosity
Inflated self-esteem or an exaggerated sense of self-importance and self-worth (e.g., believing one has special powers or superior abilities).
Hallucinations
Perceptual experiences that occur even when there is no stimulus in the outside world generating the experiences. They can be auditory, visual, olfactory (smell), gustatory (taste), or somatic (touch).
Histrionic
A pervasive pattern of excessive emotionality and attention seeking.
Humorism (or humoralism)
A belief held by ancient Greek and Roman physicians (and until the 19th century) that an excess or deficiency in any of the four bodily fluids, or humors—blood, black bile, yellow bile, and phlegm—directly affected their health and temperament.
Hypersomnia
Excessive daytime sleepiness, including difficulty staying awake or napping, or prolonged sleep episodes.
Hysteria
Term used by the ancient Greeks and Egyptians to describe a disorder believed to be caused by a woman’s uterus wandering throughout the body and interfering with other organs (today referred to as conversion disorder, in which psychological problems are expressed in physical form).
Insomnia
A sleep disorder in which there is an inability to fall asleep or to stay asleep as long as desired. Symptoms also include waking up too early, experience many awakenings during the night, and not feeling rested during the day.
Integrative ​or eclectic psychotherapy​
Also called integrative psychotherapy, this term refers to approaches combining multiple orientations (e.g., CBT with psychoanalytic elements).
Integrative or ​eclectic psychotherapy
Also called integrative psychotherapy, this term refers to approaches combining multiple orientations (e.g., CBT with psychoanalytic elements).
Internal bodily or somatic cues
Physical sensations that serve as triggers for anxiety or as reminders of past traumatic events.
Interoceptive avoidance
Avoidance of situations or activities that produce sensations of physical arousal similar to those occurring during a panic attack or intense fear response.
Lucid dreams
Any dream in which one is aware that one is dreaming.
Magnetic resonance imaging
A set of techniques that uses strong magnets to measure either the structure of the brain (e.g., gray matter and white matter) or how the brain functions when a person performs cognitive tasks (e.g., working memory or episodic memory) or other types of tasks.
Maladaptive
Term referring to behaviors that cause people who have them physical or emotional harm, prevent them from functioning in daily life, and/or indicate that they have lost touch with reality and/or cannot control their thoughts and behavior (also called dysfunctional).
Malingering
Fabrication or exaggeration of medical symptoms to achieve secondary gain (e.g., receive medication, avoid school).
Mesmerism
Derived from Franz Anton Mesmer in the late 18th century, an early version of hypnotism in which Mesmer claimed that hysterical symptoms could be treated through animal magnetism emanating from Mesmer’s body and permeating the universe (and later through magnets); later explained in terms of high suggestibility in individuals.
Metabolism
Breakdown of substances.
Mindfulness
A process that reflects a nonjudgmental, yet attentive, mental state.
Mindfulness-based therapy
A form of psychotherapy grounded in mindfulness theory and practice, often involving meditation, yoga, body scan, and other features of mindfulness exercises.
Mood disorder
A group of diagnoses in the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) classification system where a disturbance in the person’s mood is the primary dysfunction. Mood disorders include major depressive disorder, bipolar disorder, dysthymic and cyclothymic disorder.
Narcissistic
A pervasive pattern of grandiosity (in fantasy or behavior), need for admiration, and lack of empathy.
Neurodevelopmental
Processes that influence how the brain develops either in utero or as the child is growing up.
Neurotransmitter
A chemical substance produced by a neuron that is used for communication between neurons.
Nightmares
An unpleasant dream that can cause a strong negative emotional response from the mind, typically fear or horror, but also despair, anxiety, and great sadness. The dream may contain situations of danger, discomfort, psychological or physical terror. Sufferers usually awaken in a state of distress and may be unable to return to sleep for a prolonged period of time.
Obsessive-compulsive
A pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility, openness, and efficiency.
Obsessive-Compulsive Disorder
This anxiety disorder is characterized by intrusive thoughts (obsessions), by repetitive behaviors (compulsions), or both. Obsessions produce uneasiness, fear, or worry. Compulsions are then aimed at reducing the associated anxiety. Examples of compulsive behaviors include excessive washing or cleaning; repeated checking; extreme hoarding; and nervous rituals, such as switching the light on and off a certain number of times when entering a room. Intrusive thoughts are often sexual, violent, or religious in nature...
Obsessive-compulsive disorder (OCD)
A disorder characterized by the desire to engage in certain behaviors excessively or compulsively in hopes of reducing anxiety. Behaviors include things such as cleaning, repeatedly opening and closing doors, hoarding, and obsessing over certain thoughts.
Oppositional defiant disorder
A childhood behavior disorder that is characterized by stubbornness, hostility, and behavioral defiance. This disorder is highly comorbid with ADHD.
Panic disorder (PD)
A condition marked by regular strong panic attacks, and which may include significant levels of worry about future attacks.
Paranoid
A pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent.
Parent management training
A treatment for childhood behavior problems that teaches parents how to use contingencies to more effectively manage their children’s behavior.
Pathologizes
To define a trait or collection of traits as medically or psychologically unhealthy or abnormal.
Personality
Characteristic, routine ways of thinking, feeling, and relating to others.
Personality disorders
When personality traits result in significant distress, social impairment, and/or occupational impairment.
Person-centered therapy
A therapeutic approach focused on creating a supportive environment for self-discovery.
Pharmacokinetics
The action of a drug through the body, including absorption, distribution, metabolism, and excretion.
Pharmacotherapy
A treatment approach that involves using medications to alter a person’s neural functioning to reduce psychological symptoms.
Polypharmacy
The use of many medications.
Positron emission tomography
A technique that uses radio-labelled ligands to measure the distribution of different neurotransmitter receptors in the brain or to measure how much of a certain type of neurotransmitter is released when a person is given a specific type of drug or does a particularly cognitive task.
Posttraumatic stress disorder (PTSD)
A sense of intense fear, triggered by memories of a past traumatic event, that another traumatic event might occur. PTSD may include feelings of isolation and emotional numbing.
Prevalence
The number of cases of a specific disorder present in a given population at a certain time.
Processing speed
The speed with which an individual can perceive auditory or visual information and respond to it.
Psychoactive drugs
A drug that changes mood or the way someone feels.
Psychoanalytic therapy
Sigmund Freud’s therapeutic approach focusing on resolving unconscious conflicts.
Psychodynamic therapy
Treatment applying psychoanalytic principles in a briefer, more individualized format.
Psychogenesis
Developing from psychological origins.
Psychological vulnerabilities
Influences that our early experiences have on how we view the world.
Psychomotor agitation
Increased motor activity associated with restlessness, including physical actions (e.g., fidgeting, pacing, feet tapping, handwringing).
Psychomotor retardation
A slowing of physical activities in which routine activities (e.g., eating, brushing teeth) are performed in an unusually slow manner.
Psychopathology
Illnesses or disorders that involve psychological or psychiatric symptoms.
Psychopathy
Synonymous with psychopathic personality, the term used by Cleckley (1941/1976), and adapted from the term psychopathic introduced by German psychiatrist Julius Koch (1888) to designate mental disorders presumed to be heritable.
Psychotropic drug
A drug that changes mood or emotion, usually used when talking about drugs prescribed for various mental conditions (depression, anxiety, schizophrenia, etc.).
PTM
Post-traumatic model of dissociation.
Reappraisal, or ​Cognitive restructuring
The process of identifying, evaluating, and changing maladaptive thoughts in psychotherapy.
Recurrent dreams
The same dream narrative or dreamscape is experienced over different occasions of sleep.
Reinforced response
Following the process of operant conditioning, the strengthening of a response following either the delivery of a desired consequence (positive reinforcement) or escape from an aversive consequence.
SAD performance only
Social anxiety disorder which is limited to certain situations that the sufferer perceives as requiring some type of performance.
Safety behaviors
Actions people take to reduce likelihood of embarrassment or minimizing anxiety in a situation (e.g., not making eye contact, planning what to say).
Schema
A mental representation or set of beliefs about something.
Schizoid
A pervasive pattern of detachment from social relationships and a restricted range of expression of emotions in interpersonal settings.
Schizophrenia
This mental disorder is characterized by a breakdown of thought processes and emotional responses. Symptoms include auditory hallucinations, paranoid or bizarre delusions, or disorganized speech and thinking. Sufferers from this disorder experience grave dysfunctions in their social functioning and in work.
Schizotypal
A pervasive pattern of social and interpersonal deficits marked by acute discomfort with, and reduced capacity for, close relationships as well as perceptual distortions and eccentricities of behavior.
SCID-D
Structural Clinical Interview for DSM-IV Dissociative Disorders.
Selective serotonin re-uptake inhibitors (SSRIs)
A class of antidepressant medications often used to treat SAD that increase the concentration of the neurotransmitter serotonin in the brain.
S​elf-report measure
A type of psychological test in which a person fills out a survey or questionnaire with or without the help of an investigator.
Serotonin norepinephrine reuptake inhibitors (SNRIs)
A class of antidepressant medications often used to treat SAD that increase the concentration of serotonin and norepinephrine in the brain.
Sleep deprivation
A sufficient lack of restorative sleep over a cumulative period so as to cause physical or psychiatric symptoms and affect routine performances of tasks.
Sleep paralysis
Sleep paralysis occurs when the normal paralysis during REM sleep manifests when falling asleep or awakening, often accompanied by hallucinations of danger or a malevolent presence in the room.
Sleep-wake cycle
A daily rhythmic activity cycle, based on 24-hour intervals, that is exhibited by many organisms.
Social anxiety
Excessive anticipation and distress about social situations in which one may be evaluated negatively, rejected, or scrutinized.
Social anxiety disorder (SAD)
An anxiety disorder marked by severe and persistent social anxiety and avoidance that interferes with a person’s ability to fulfill their roles in important life domains.
Social anxiety disorder (SAD)
A condition marked by acute fear of social situations which lead to worry and diminished day to day functioning.
Social brain
The set of neuroanatomical structures that allows us to understand the actions and intentions of other people.
Social zeitgeber
Zeitgeber is German for “time giver.” Social zeitgebers are environmental cues, such as meal times and interactions with other people, that entrain biological rhythms and thus sleep-wake cycle regularity.
Socioeconomic status (SES)
A person’s economic and social position based on income, education, and occupation.
Somatogenesis
Developing from physical/bodily origins.
Specific vulnerabilities
How our experiences lead us to focus and channel our anxiety.
State
When a symptom is acute, or transient, lasting from a few minutes to a few hours.
Suicidal ideation
Recurring thoughts about suicide, including considering or planning for suicide, or preoccupation with suicide.
Supernatural
Developing from origins beyond the visible observable universe.
Synapse
The tiny space separating neurons.
Syndrome
Involving a particular group of signs and symptoms.
Thought-action fusion
The tendency to overestimate the relationship between a thought and an action, such that one mistakenly believes a “bad” thought is the equivalent of a “bad” action.
Trait
When a symptom forms part of the personality or character.
“Traitement moral” (moral treatment)
A therapeutic regimen of improved nutrition, living conditions, and rewards for productive behavior that has been attributed to Philippe Pinel during the French Revolution, when he released mentally ill patients from their restraints and treated them with compassion and dignity rather than with contempt and denigration.
Trauma
An event or situation that causes great distress and disruption, and that creates substantial, lasting damage to the psychological development of a person.
Trephination
The drilling of a hole in the skull, presumably as a way of treating psychological disorders.
Triarchic model
Model formulated to reconcile alternative historic conceptions of psychopathy and differing methods for assessing it. Conceives of psychopathy as encompassing three symptomatic components: boldness, involving social efficacy, emotional resiliency, and venturesomeness; meanness, entailing lack of empathy/emotional-sensitivity and exploitative behavior toward others; and disinhibition, entailing deficient behavioral restraint and lack of control over urges/emotional reactions.
Unconditional positive regard
In person-centered therapy, an attitude of warmth, empathy and acceptance adopted by the therapist in order to foster feelings of inherent worth in the patient.
Vivid dreams
A dream that is very clear, where the individual can remember the dream in great detail.
Working memory
The ability to maintain information over a short period of time, such as 30 seconds or less.