nictitating membrane

a fold of transparent or semitransparent membrane, present in many vertebrates, that can be drawn laterally over the eye like a third eyelid, independently of the other eyelids. This “blink” (the nictitating-membrane response) can be conditioned in a nonhuman animal (e.g., a rabbit) by pairing a puff of air (the unconditioned stimulus) with a light or tone (the conditioned stimulus).

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Psychology term of the day

November 24th 2024

commonality analysis

in multiple regression, a technique by which the known variance in an outcome or response variable is separated out into the parts that can be uniquely attributed to each individual predictor variable and the parts that are common to any two or more variables.