Vocabulary

Affect
Feelings that can be described in terms of two dimensions, the dimensions of arousal and valence (Figure 2). For example, high arousal positive states refer to excitement, elation, and enthusiasm. Low arousal positive states refer to calm, peacefulness, and relaxation. Whereas “actual affect” refers to the states that people actually feel, “ideal affect” refers to the states that people ideally want to feel.
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.
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.
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.
Blood Alcohol Content (BAC)
Blood Alcohol Content (BAC): a measure of the percentage of alcohol found in a person’s blood. This measure is typically the standard used to determine the extent to which a person is intoxicated, as in the case of being too impaired to drive a vehicle.
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).
Circadian Rhythm
Circadian Rhythm: The physiological sleep-wake cycle. It is influenced by exposure to sunlight as well as daily schedule and activity. Biologically, it includes changes in body temperature, blood pressure and blood sugar.
Cognitive behavioral therapy (CBT)
Psychotherapy approach that incorporates cognitive techniques (targeting unhelpful thoughts) and behavioral techniques (changing behaviors) to improve psychological symptoms.
Cognitive failures
Every day slips and lapses, also called absentmindedness.
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.
Consciousness
Consciousness: the awareness or deliberate perception of a stimulus
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.
Cues
Cues: a stimulus that has a particular significance to the perceiver (e.g., a sight or a sound that has special relevance to the person who saw or heard it)
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.
Culture
Shared, socially transmitted ideas (e.g., values, beliefs, attitudes) that are reflected in and reinforced by institutions, products, and rituals.
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.
Depressants
Depressants: a class of drugs that slow down the body’s physiological and mental processes.
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).
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.
Dissociation
Dissociation: the heightened focus on one stimulus or thought such that many other things around you are ignored; a disconnect between one’s awareness of their environment and the one object the person is focusing on
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.
Emotions
Changes in subjective experience, physiological responding, and behavior in response to a meaningful event. Emotions tend to occur on the order of seconds (in contract to moods which may last for days).
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.
Euphoria
Euphoria: an intense feeling of pleasure, excitement or happiness.
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.
Feelings
A general term used to describe a wide range of states that include emotions, moods, traits and that typically involve changes in subjective experience, physiological responding, and behavior in response to a meaningful event. Emotions typically occur on the order of seconds, whereas moods may last for days, and traits are tendencies to respond a certain way across various situations.
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.
Flexible Correction Model
Flexible Correction Model: the ability for people to correct or change their beliefs and evaluations if they believe these judgments have been biased (e.g., if someone realizes they only thought their day was great because it was sunny, they may revise their evaluation of the day to account for this “biasing” influence of the weather)
Functional capacity
The ability to engage in self-care (cook, clean, bathe), work, attend school, and/or engage in social relationships.
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).
Hallucinogens
Hallucinogens: substances that, when ingested, alter a person’s perceptions, often by creating hallucinations that are not real or distorting their perceptions of time.
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.
Hypnosis
Hypnosis: the state of consciousness whereby a person is highly responsive to the suggestions of another; this state usually involves a dissociation with one’s environment and an intense focus on a single stimulus, which is usually accompanied by a sense of relaxation
Hypnotherapy
Hypnotherapy: The use of hypnotic techniques such as relaxation and suggestion to help engineer desirable change such as lower pain or quitting smoking.
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).
Implicit Associations Test
Implicit Associations Test (IAT): A computer reaction time test that measures a person’s automatic associations with concepts. For instance, the IAT could be used to measure how quickly a person makes positive or negative evaluations of members of various ethnic groups.
Independent self
A model or view of the self as distinct from others and as stable across different situations. The goal of the independent self is to express and assert the self, and to influence others. This model of self is prevalent in many individualistic, Western contexts (e.g., the United States, Australia, Western Europe).
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.
Interdependent self
A model or view of the self as connected to others and as changing in response to different situations. The goal of the interdependent self is to suppress personal preferences and desires, and to adjust to others. This model of self is prevalent in many collectivistic, East Asian contexts (e.g., China, Japan, Korea).
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.
Jet Lag
Jet Lag: The state of being fatigued and/or having difficulty adjusting to a new time zone after traveling a long distance (across multiple time zones).
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).
Melatonin
Melatonin: A hormone associated with increased drowsiness and sleep.
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.
Mindfulness
Mindfulness: a state of heightened focus on the thoughts passing through one’s head, as well as a more controlled evaluation of those thoughts (e.g., do you reject or support the thoughts you’re having?)
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.
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.
Pharmacotherapy
A treatment approach that involves using medications to alter a person’s neural functioning to reduce psychological symptoms.
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.
Priming
Priming: the activation of certain thoughts or feelings that make them easier to think of and act upon
Processing speed
The speed with which an individual can perceive auditory or visual information and respond to it.
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.
PTM
Post-traumatic model of dissociation.
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).
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 constructivism
Social constructivism proposes that knowledge is first created and learned within a social context and is then adopted by individuals.
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.
Stimulants
Stimulants: a class of drugs that speed up the body’s physiological and mental processes.
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.
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.
Trance States
Trance: a state of consciousness characterized by the experience of “out-of-body possession,” or an acute dissociation between one’s self and the current, physical environment surrounding them.
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.
Universalism
Universalism proposes that there are single objective standards, independent of culture, in basic domains such as learning, reasoning, and emotion that are a part of all human experience.
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.