Lecture 7 Anxiety disorder 1 Flashcards
(34 cards)
What percentage of US adults experience an anxiety disorder at least once in their lifetime?
34%
Kessler et al., 2012
What is the early onset percentage of anxiety disorders in 13-17 year olds?
32%
What percentage of individuals with anxiety disorders show consistent remission?
~15%
Define fear in terms of its biological function.
Reaction to immediate danger; prepares for immediate action (fight or flight response)
Define anxiety in terms of its characteristics.
Diffuse sense of apprehension about anticipated threat or danger; course of action is not fully clear.
What is the Yerkes-Dodson Law?
Describes the relationship between anxiety and performance
What are some types of anxiety disorders?
- Social Anxiety Disorder
- Specific Phobia
- Agoraphobia
- Panic Disorder
- Generalized Anxiety Disorder
What defines a specific phobia?
Intense, persistent fear of a specific object or situation that is out of proportion to the actual threat.
What are the DSM-5-TR criteria for Specific Phobia?
- Marked fear or anxiety about a specific object or situation
- The phobic object almost always provokes fear
- The object is avoided or endured with intense fear
- Fear is out of proportion to the danger
- Fear is persistent (typically > 6 months)
- Causes clinically significant distress or impairment
What is the lifetime prevalence of specific phobia?
13.8%
What is the gender difference in anxiety disorders?
2:1 gender difference exists
What are common examples of specific phobias?
- Spiders
- Heights
- Thunderstorms
- Flying
What is social anxiety disorder characterized by?
Marked fear or anxiety about social situations where scrutiny by others is possible.
What are the DSM-IV criteria for Social Anxiety Disorder?
- Fear of acting in a way that will be evaluated negatively
- Social situations provoke fear or anxiety
- Avoidance or endurance with intense fear
- Fear is out of proportion and persistent for > 6 months
What is the lifetime prevalence of social anxiety disorder?
13%
What defines a panic attack?
Abrupt surge of intense fear or discomfort that reaches a peak within minutes.
What are the symptoms of a panic attack?
- Palpitations
- Sweating
- Trembling
- Shortness of breath
- Feelings of choking
- Chest pain
- Nausea
- Dizziness
- Derealization or depersonalization
What are the DSM-V-TR criteria for Panic Disorder?
- Recurrent unexpected panic attacks
- At least 1 attack followed by 1 month of concern about more attacks or maladaptive behavior
What is agoraphobia literally translated to?
Fear of the marketplace
What are the DSM V TR criteria for Agoraphobia?
- Marked fear/anxiety about 2 or more situations (e.g., using public transport, being in open/enclosed spaces)
- Situations provoke fear or anxiety
- Actively avoided or endured with intense fear
- Symptoms last at least 6 months
What is Generalized Anxiety Disorder characterized by?
Excessive anxiety and worry occurring more days than not for at least 6 months.
What are common symptoms of Generalized Anxiety Disorder?
- Trouble relaxing
- Sleep problems
- Difficulty concentrating
- Physical symptoms like racing heart
What is the DSM-5-TR criteria for Generalized Anxiety Disorder (GAD)?
Excessive anxiety and worry occurring more days than not for at least 6 months about a number of events or activities
Individuals find it difficult to control the worry.
How many symptoms must be associated with anxiety and worry to meet GAD criteria?
At least 3 symptoms (only one is required for children)
Symptoms include restlessness, fatigue, difficulty concentrating, irritability, muscle tension, and sleep disturbance.