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Chapter 4 Vocabulary

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Term
Definition
Anxiety   a fundamental human emotion that produces bodily reactions to prepare us for "fight or flight"; a feeling of uneasiness or apprehension  
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Fear   an intense emotion experienced in response to a threatening situation  
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Anxiety Disorder   fear or anxiety symptoms that interfere with an individual's day to day functioning  
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Etiology Model   model developed to explain the cause of the disorder  
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Amygdala   brain structure associated with the processing, expression and memory of emotions, especially anger and fear  
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Hippocampus   the part of the brain involved in forming, organizing, and storing memories  
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Prefrontal Cortex   the part of the brain involved in abstract thought and complex thinking, personality characteristics, and social functioning  
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Neurotransmitter   any group of chemicals that help transmit messages between neurons  
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Serotonin   a neurotransmitter that regulates mood, sleep, and appetite  
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Alleles   the gene pair responsible for a specific trait  
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Polymorphic Variation   a common DNA mutation of a gene  
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Predisposition   a susceptibility to certain symptoms or disorders  
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Behavioral Inhibition   shyness  
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Anxiety Sensitivity   trait involving fear of physiological changes within the body  
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Phobia   a strong, persistent, and unwarranted fear of a specific object or situation  
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Social Anxiety Disorder   an intense fear of being scrutinized in one or more social or performance situations  
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Comorbid   existing simultaneously with another condition  
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Specific Phobia   an extreme fear of a specific object (such as snakes) or situation (such as being in an enclosed place)  
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remit   diminish or disappear  
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Agoraphobia   an intense fear of being in public places where escape or help may not be readily available  
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Panic Attack   episode of intense fear accompanied by symptoms such as a pounding heart, trembling, shortness of breath, and fear of losing control or dying  
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Exposure Therapy   treatment that involves gradually introducing the client to increasingly difficult encounters with a feared situation  
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Systematic Desensitization   exposure strategy that uses muscle relaxation to reduce the anxiety associated with specific and social phobias  
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Cognitive Restructuring   cognitive strategy that attempts to alter unrealistic thoughts that are believed to be responsible for phobias  
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Modeling Therapy   procedure involving observation of a non-phobic individual successfully coping with the phobic object or situation used to treat certain phobias  
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Panic Disorder   disorder involving recurrent, unexpected panic attacks with apprehension over future attacks or behavioral changes to avoid attacks  
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Concordance Rate   degree of similarity between twins or family members with respect to a trait or disorder  
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GABA   gamma-aminobutyric acid, an inhibitory neurotransmitter involved in inducing sleep and relaxation  
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Interoceptive Conditioning   the production of fear and panic by the perception of bodily changes due to frequent pairing of changes in internal bodily sensations with fear responses  
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Generalized Anxiety Disorder (GAD)   condition characterized by persistent, high levels of anxiety and excessive worry over many life circumstances  
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Schema   mental framework for organizing and interpreting information  
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Obsessive Compulsive Disorder (OCD)   condition characterized by intrusive, repetitive anxiety-producing thoughts or a strong need to perform acts or dwell on thoughts to reduce anxiety  
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Obsession   intrusive, repetitive thought or image that produces anxiety  
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Compulsion   the need to perform acts or dwell on thoughts to reduce anxiety  
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Body Dysmorphic Disorder (BDD)   condition involving a preoccupation with a perceived physical defect or excessive concern over a slight physical defect; often accompanied by frequently checking appearance, applying makeup to mask "flaws", and comparing appearance to those of others  
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Delusion   a firmly held false belief  
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Muscle Dysphoria   belief that one's body is too small or insufficiently muscular  
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Trichotillomania   recurrent and compulsive hair pulling that results in hair loss and causes significant distress  
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Skin-Picking Disorder   distressing and recurrent compulsive picking of the skin resulting in skin lesions  
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Endophenotype   measurable characteristics that give clues regarding the specific genes involved in a disorder  
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Orbitofrontal Cortex   brain region associated with planning and decision making  
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Caudate Nuclei   brain region that regulates transmission of impulses warning that something is not right  
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Flooding   a technique that involves inducing a high anxiety level through continued actual or imagined exposure to a fear-arousing situation  
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Response Prevention   treatment in which an individual with OCD is prevented from performing a compulsive behavior  
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