gamma wave

in the brain’s electromagnetic field activity, a type of low-amplitude brain wave ranging from 25 to 60 Hz (peaking near 40 Hz) that is associated with cognitive activities such as perception and learning. Also called gamma rhythm.

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Psychology term of the day

October 6th 2024

reciprocity norm

the social standard that people who help others will receive equivalent benefits from them in return. The expectation of reciprocity is common in many interpersonal encounters and relationships. Compare social justice norm; social responsibility norm.