This document discusses different models for defining normal and abnormal behavior. The medical model considers abnormal behavior to involve disturbances in thought, perception, or psychomotor activities. The statistical model defines normal behavior as falling within two standard deviations of norms established through statistical analysis. The socio-cultural model defines normal behavior as adhering to the beliefs, norms, and values of one's society, while abnormal behavior breaks these standards. The behavioral model views normal behavior as adaptive and abnormal behavior as maladaptive behaviors learned through experience.

1. CONCPETS OF
NORMAL AND
ABNORMAL
BEHAVIOR
MR. JAYESH PATIDAR
M.Sc. NURSING

2. CONCEPT…
• Psychiatry as evident from the above is
concerned with abnormal behavior in its
broadest sense, but defining the concepts of
normal & abnormal behavior as such has been
found to be difficult.
• These concepts are much under the influence of
socio-cultural factors.
• Several models have been put forward in order
to explain the concept of normal & abnormal
behavior 2

3. Medical Model…
• Medical model considers organic pathology as
the definite cause for mental disorder.
• According to this model abnormal people are
the ones who have disturbances in thought,
perception & psychomotor activities.
• These normal are the ones who are free from
these disturbances.
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4. Statistical Model…
• It involves the analysis of responses ona test or
questionnaire or observations of some
particular behavior variables.
• The degree of deviation from the standard
norms arrived at statistically, characterizes the
degree of abnormality.
• Statistically normal mental health falls within
two standard deviations (SDs) of the normal
distractions curve.
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5. Socio-cultural Model…
• The beliefs, norms, taboos & values of a society
have to be accepted & adopted by individuals.
• Breaking any of these would be considered as
abnormal.
• Normalcy is defined in context with social
norms prescribed by the culture.
• Thus cultural background has taken into account
when distinguishing between normal &
abnormal behavior.
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6. Behavioral Model…
• Behavior that is adaptive, is normal,
maladaptive is abnormal.
• Abnormal behavior is a set of faulty behavios
acquired through learning.
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