psychological disorders Flashcards
What is psychopathology?
the study of psychological disorders, including their symptoms, etiology and treatment
What is psychological disorder?
a condition characterized by abnormal thoughts, feelings, and behaviour
What is harmful dysfunction?
Wakefield 1992
proposed a more influential concept in which he defines psych disorders as a harmful dysfunction
- dysfunction occurs when an internal mechanism breaks down and cannot perform its normal function
- for a dysfunction to be classified as a disorder, it must be harmful -> negative consequences for the individual or for others
What is the American psychological Association (APA) definition of psych disorders?
- significant disturbances in thoughts, feelings, behaviours
- outside cultural norm
- disturbances reflect some kind of biological, psychological or developmental dysfunction
- disturbances lead to significant distress or disability in one’s life
-> there’s no universal agreement on where the boundary is between disordered and not disordered
Diagnostic and statistical manual of mental disorders (DSM)
- published by APA
- used by most mental health professionals
-> Diagnostic features - overview of the disorder
-> Diagnostic criteria - specific symptoms required for diagnosis
-> prevalence - % population thought to be afflicted
-> risk factors - provides info about comorbidity
International classification of diseases (ICD)
- published by WHO
- used to examine general health of populations and monitor prevalence of diseases
- more used for clinical diagnosis
- DSM for research
What is the supernatural perspective of psych disorders
psychological disorders attributed to a force beyond scientific understanding
- black magic, possessed by spirits, witchcraft
- treatments: torture, beatings and exorcism
biological perspective
- genetic factors, chemical imbalances, brain abnormalities
- supported by evidence that most psych disorders have a genetic component
Psychosocial perspective
- emphasises the importance of learning, stress, faulty and self-defeating thinking patterns, and environmental factors
- views the cause of psych disorders as a combination of biological and psychosocial factors
What is the Diathesis-Stress Model?
integrated biological and psychosocial factors to predict the likelihood of a disorder
Diathesis + Stress -> Development of a disorder
- people with predisposition of disorder are more likely to develop a disorder when faced with adverse environmental or psychological events
- a diathesis can be biological or psychological vulnerability
What is fear? what is anxiety?
- fear = an instantaneous reaction to an imminent threat
- anxiety = apprehension, avoidance, and cautiousness regarding a potential threat, danger, or other negative content
What are phobias?
- excessive, distressing and persistent fear or anxiety about a specific object or situation
- may realise that its irrational, but still go to great lengths to avoid the stimulus
- 12.5% of US population
- Acrophobia - heights
- aerophobia - flying
- arachnophobia - spiders
- claustrophobia - enclosed spaces
- agoraphobia- fear of situations in which it might be difficult to escape (public transport, crowds)
What are the 3 ways to acquiring a phobia?
1 classical conditioning
2 vicarious learning
3 verbal transmission of info
Social anxiety disorder
- extreme and persistent fear/anxiety and avoidance of social situations in which the person could potentially be evaluated negatively by others, leading to serious impairments in life
- associated with lower education, lower earning, unemployment
- safety behaviours= mental or behavioural acts that reduce anxiety in social situations , eg avoiding eye contact
- 12% of US population
- comorbid with alcohol use disorder
- behavioural inhibition = consistent tendency to show fear and restraint when presented with unfamiliar people or situations
Panic disorder
recurrent and unexpected panic attacks, along with at least one month of persistent concern about additional panic attacks, worry over the consequences
- comorbid with anxiety disorder or major depressive disorder