Abnormal psychology is the field devoted to the scientific study of abnormal behavior in order to describe, predict, explain, and change abnormal patterns of functioning.
Defining Abnormal Behavior
- Psychological disorder – Abnormal behavior pattern that involves a disturbance of psychological functioning or behavior.
- Abnormal psychology – The branch of psychology that deals with the description, causes, and treatment of abnormal behavior patterns.
- Medical model – A biological perspective in which abnormal behavior is viewed as symptomatic of underlying illness.
Prevalence of Psychological Disorders
Criteria for Determining Abnormality
- Unusualness
- Social deviance
- Faulty perceptions or interpretations of reality
- Significant personal distress
- Maladaptive or self-defeating behavior
- Dangerousness
Models
4Ds
- Dysfunction
Danger
Deviance
Distress
Deviance
- Differences, unusual, extreme, bizarre
Experiencing deviance from behaviors (typical emotions and thoughts)
Constant difference from social norms
Norms
- Stated, unstated rules for proper conduct
Distress
- Something incredibly unpleasant, upsetting to person;
Dysfunction
- Interfering with the ability to conduct daily activities in a constructive way
- Abnormal behavior- culture has significant influence, presence of them does not indicate abnormality
Danger
- Posing a risk for self and others-abnormality may be danger to self or others
-these people are consistently hostile, careless, confused
-dangerousness is exception rather than the rule
Thomas Sasz
- Idea that abnormal psychology is a myth; ploy to better control citizens,
-called issues: problems of daily living
Biological or medical models
- -mental illness brought about by malfunction parts
1. brain anatomy: alzheimer’s dementia (brain plaques) and protein spindles
2. brain chemistry: neurotransmitter systems
3. genetic: inheritance in mood disorders, schizophrenia and bipolar disrders
Psychoanatlyic/ Psychodynamic
- oldest, most famous, Freud
-behavior is affected by unconscious dynamics
-id, ego, super ego
-defense mechanisms: denial, projection
-psychosexual stages of development
-deterministic, pessimistic view of humanity
-determining for life (to achieve neurotic acceptance)
Behavioral
- focusing on observable behavior and environmental factors and on how behavior is acquired, learned and maintained
-emphasis of model on principles of learning theory
-operant conditioning: environment will reward/reinforce or punish
-classical pavlovian conditioning: 2 stimuli associated
-modeling
-deterministic, environmentally influenced
Cognitive
- cognitive processes are center of behavioral thoughts, emotions
-related to maladaptive thinking
faulty thinking:
faulty assumptions and attributions
illogical thinking process
-collaborative and empirical
Humanistic
- -emphasizes people as friendly, cooperative and constructive
-emphasizes self determination, choice and responsibilities
-roger’s unconditional positive regard and client centered
Sociocultural model
- -abnormal behavior best understood in light of social, cultural forces that influence individual
-strongly influenced by sociology/anthropology
-role of social labels important (rosenhan)
-family systems