innate releasing mechanism

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Related to Fixed action pattern: imprinting

innate releasing mechanism

n
(Psychology) psychol the process by which a stimulus evokes a response when the connection between the two is inborn. Abbreviation: IRM
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Neuronal network triggering a fixed action pattern.
Using slow-motion 16 millimeter filming and frame by frame analysis, complete courtships by five different pairs were broken down into fixed action patterns which were then statistically treated for variation.