by 
cmay07
ANSWERS: 2
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"Abnormality" does not have a conventional definition because it has to be considered in context: The definition of the word abnormal is simple enough: deviating from the norm. However, applying this to psychology poses a complex problem: what is normal? Whose norm? For what age? For what culture? Some would simply classify what is "good" as normal and what is "bad" as abnormal, but this is a vague and narrow definition and brings up many of the same questions for the definition of "good" as does the definition for "normal". There are many more ways of determining a more objective reference point. The most common criterion for defining abnormality, however, is maladaptiveness. There are two aspects of maladaptive bahvior: 1. Maladaptive to one's self - inability to reach goals, to adapt to the demands of life and 2. Maladaptive to society - interferes, disrupts social group functioning. The simplest way I can address the issue of biochemical causes of abnormality is to say that some "abnormality" (in the psychiatric sense) is caused by either an excess or lack of neurotransmitters.
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abnormaility of what? there can be different casues depending on what system you are looking at. abnormaility in genes and receptors can be involved.
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