What is Abnormal Behavior?
1.Lecture 1 : Definition
Violation of norms: behavior that violates social norms or threatens or makes anxious to
those who is observing it
Disability or impairment: for example, there are times throughout the years where he
experiences 6 symptoms of depression that lasts 2 weeks or more that may require
professional diagnosis of major depression. He is facing psychological impairments such
as sadness, hedonia which is the inability to enjoy things, sleep disturbances such as over
sleeping, social withdrawal, apathy. The differences between impairment and disability
relates to his ability to engage in my activities of daily living. If he is too depressed, his
depression impairments that results in his inability to go to work or maintain a
relationship this results in a disability.
Hippocrates; first physician (Greek) to separate between physical and mental health and
wellbeing. Shifted abnormality from demonology
Somatogenesis: when we believe something wrong with the soma; Greek for
physical body, this can disturb thoughts, actions or behaviours. Treatments are
somatic such as recommending food, rest.
Eg. Freud, Psychogenesis: the belief that a disturbance has solely psychological origins
and no physical components.
2.Lecture 2: Paradigm
Biogenetic Paradigm: From the text: “if a genetic predisposition; the disorder studied is
present, first degree relatives of the index cases, aka probands should have the disorder
at a higher rate than the general population”
3.Lecture 3: Chapter 3: Classification and Diagnosis
4.Chapter 5: Research Methods in the Study of Abnormal Behavior
Case study can tell us a lot of the qualitative description about the disorder hence a
individual with the disorder whereas experimental can tell about the disorder but not the
Case study can give rise to unique treatment and disconfirm allegedly universal aspects of
a particular theoretical proposition
Thirdly, case studies can be used to generate hypotheses that can be tested to control
Prevalence: proportion of population that has the disorder at a given time.
Incidence: number of new cases of the disorder that occur at some period of time usually