biochemical defect

any of numerous chemical imbalances or aberrations in the brain that may be associated with neurological or psychiatric disorder. Such disorders may be related to the production of specific neurotransmitters or the availability of other biochemical substances necessary for brain function.

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Psychology term of the day

February 25th 2025

disorders of excessive somnolence (DOES)

Sorry, "disorders-of-excessive-somnolence-does" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.