Task 3 Flashcards
(38 cards)
What is Anxiety disorder?
A psychological disorder characterised by an excessive or aroused stay and feelings of apprehension, uncertainty and fear.
In a sufferer, the anxiety response may:
- Be out of proportion when in a threat situation
- Be a state that the indivitual constantly find themselves in (no threat needed)
- Persist chronically and be so disabling that it causes constant emotional distress. Affects planning and conducting normal day-to-day living, inability to keep a job and long-term relationships.
Prevalence of anxiety disorder
Lifetime prevalence show that 28.8% of adults will be diagnosed w/ and axiety disorder in their lifetime
The average onset is 11 years
12-month prevalence is 1.9% in adults and 1.6% in children
Fear vs. anxiety
Fear: emotional response to a real or percieved imminen threat
Axiety: anticipation of future threat
What are the gender differences in the anxiety disorder?
It occurs more frequently in females (2:1 ratio)
Name the different types of anxiety disorder
- Generalized axiety disorder
- Social axiety dirorder
- Panic disorder
- Agoraphobia
Generalized anxiety disorder
Excessive anxiety and worry about a number of events or activities. The intensity, duration, or frequency of the anxiety and worry is out of proportion to the actual likelihood or impact of the anticipated event.
Biological theories of GAD
The is some evidence for a genetic component in generalised anxiety disorder. Heritability of generalised anxiety disorder at around 30%
Researches found reduced regulatory activity in pregenual anterior cingulate and parietal cortices in patients with GAD
What is Information processing bias?
Psychological theory of GAD
Biases in interpreting, attending to, storing or recalling information which may give rise to dysfunctional thinking and behaving.
Treatment of GAD
• Attention bias modification
• Stimulus control treatment: based on conditioning principle
• Pharmacological therapy: strong effects as a first step
• Structutured psychological therapy: strong long-term effects:
–> Self monitoring - Relaxation training - Cognitive restructuring - Behavioural rehearsal
Social anxiety disorder and its prevalence
The individual is fearful or anxious about or avoidant of social interactions and situations that involve the possibility of being scrutinised. The cognitive ideation is of being negatively evaluated
Prevalence: lifetime rate 12%. Gender ratio 3:2 females to males (more woman). Very heritable.
What is self foccussed atttention?
Individuals with SAD show a strong tendency to shift their attention inwards onto themselves and their own anxiety responses during social performance
DSM-5 criteria for Social Anxiety
- Marked fear or anxiety about one or more social situations in which the individual is exposed to possible scrutiny by others. Examples include social interactions
- The individual fears that he or she will act in a way or show anxiety symptoms that will be negatively evaluated.
- The social situations almost always provoke fear or anxiety
- The social situations are avoided
- The fear or anxiety is out of proportion to the actual threat
Treatments of SAD
- Pharmacological treatments (drugs) —> selective serotonin re-uptake inhibitors
- Cognitive Behabioural Therapy CBT —> more effective in preventing relapse
Panic disorder and prevalence
The individual experiences recurrent unexpected panic attacks and is persistently concerned about having more panic attacks or changes his/her behaviour in maladaptive ways.
Prevalence: 12 month prevalence rate is around 1.5 - 3%. More in woman than men.
What are panic attacks?
Abrupt surge of intense fear or intense discomfort that reaches a peak within minutes, and during which time four of the symptoms occur.
Not limited to anxiety disorders.
DSM-5 criteria for Panic disorder
- Recurrent unexpected panic attacks
- Atleast one of the attacks has bee followed by 1 month of one or both of the folliwing:
- -> Persistent concern about additional attacks
- -> Asignificant maladaptive behavior related to the attacks (avioding exercise)
Biological theories of Panic Disorder
- Biological challenge test: Research in which panic attacks are induced by administering carbon dioxide enriched air or by encouraging hyperventilation.
- Suffocation alarm theories: Models of panic disorder in which a combination of increased CO2 intake may activate an oversensitive suffocation alarm system and give rise to the intense terror and anxiety experienced during a panic attack
- Noradenergic overactivity: Panic disorder may be caused by overactivity in the noradrenergic neurotransmitter system.
Psychological theories of Panic Disorder
- Classical conditioning
- Anxiety sensitivity: Fears of anxiety symptoms based on beliefs that such symptoms have harmful consequences (e.g. a rapid heartbeat)
- Catastrophic misinterpretation of bodily sensations
- Safety behaviours: Activities developed by sufferers of panic disorder as soon as they think they are having a panic attack, developed in the belief that this activity has saved them from a catastrophic outcome
What is catastrophising?
An example of magnification in which the individual takes a single fact to its extreme, one example being catastrophic worrying
Treatment of Panic Disorder
• Psychoactive medication is usually the first line of treatment provided for sufferers
–> Tricyclic antidepressants and benzodiazepines may be effective in controlling symptoms
• Structured exposure therapy is as effective as the pharmacological treatment
Agoraphobia and prevalence
Individuals are fearful and anxious about two or more of the following situations:
- Using public transportation
- Being in enclosed places; standing in line or being in a crowd
- Being outside of the home alone in other situations.
Fears this because escape of situation might be difficult
Prevalence: 12 month revalence rate 0.4 - 3%. More in woman than men.
What is the general DSM-5 criteria?
- Excessive fear or anxiety concerning separation from those who the individual is attatched
- The fear, anxiety, or avoidance is persistent, lasting at least 4 weeks in children and adolescents. 6 month or more in adults.
- Causes significant distress or impairment in social, academic occupational or other areas of functioning
- Disturbance is not better explained by another mental disorder or effects of a substance/medication
Genetic and physiological factors for causing axiety.
Separation axiety disorder in children may be heritable - 73% in girls