V - Anxiety Disorders (Pt II) Flashcards
Generalized Anxiety Disorder
Chronic, excessive, unreasonable anxiety about many aspects of life. More days than not for 6 months Must be experienced as difficult to control. Worrying cannot be exclusively related to another disorder, such as worry over having a panic attack.
GAD Individual/Personality Characteristics
Future-oriented mood state of anxious apprehension, tension, uneasiness. Vigilance for threat, engagement in avoidance activities such as procrastinating and checking, constant worry -> discouragement, difficulties making decisions, rarely experience present moment.
GAD co-occurence with other Axis I
Often co-occurs w/ other anxiety disorders, PTSD, Mood Disorders, substance abuse
GAD Psychological Factors
Psychoanalytic - conflict between id and ego. Perceptions of uncontrollability. Need mastery - history of control over environment. Worry plays central role and has negative consequences. Cognitive biases for threatening cues.
GAD Biological Causal Factors
Modestly heritable. GABA, serotonin, norepinephrine all play role. Corticotropin-releasing hormone system. GAD and MDD link. Neurobiological differences between anxiety and panic.
GAD Treatments
Medications include Anxiolytics (benzodiazepines), Antidepressants. Cognitive-behavioral therapy increasingly effective, but one of the hardest anxiety disorders to treat.
OCD and Related Disorders (5)
(1) OCD
(2) Hoarding
(3) Excoriation
(4) Body Dysmorphic Disorder
(5) Trichotillomania
Obsessive-Compulsive Disorder
Recurring intrusive thoughts, impulses, images - disturbing, inappropriate, uncontrollable. Usually accompanied by compulsive behaviors to neutralize obsessive thoughts or prevent dreaded event/situation
OCD - Most common obsessions
Contamination, fear of harming self or others, lack of symmetry, pathological doubt.
OCD - Most common compulsions
Cleaning, checking, repeating, ordering/arranging, counting
OCD Comorbidity
Frequently comorbid w/ anxiety disorders, mood disorders. Co-occurs with body dysmorphic disorder sometimes.
Question - must answer
Is OCD considered an anxiety disorder? DSM IV vs V classification?
OCD Psychological causal factors
Learned behavior - Mowrer’s two-process theory of avoidance learning. Classical conditioning, reinforcement. Concerned with preparedness. Cognitive: thought suppression may increase frequency; inflated sense of responsibility; cognitive biases and distortions
OCD Biological Causal Factors
Moderately heritable. Abnormalities in function may include cortico-basal-ganglionic thalamic circuit. Serotonin
Behavioral/cognitive behavioral treatments for OCD
Exposure and response prevention most effective. Gradually move through hierarchy of stimuli - start small.