perceptual fluency

the ease with which a visual target is processed. The perceptual fluency theory of visual attention holds that the repeated presentation of a given target between presentations of distractors in successive trials increases the perceptual fluency for that target, thus making it easier to distinguish from the distractors.

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Psychology term of the day

May 9th 2024

node of Ranvier

any of successive regularly spaced gaps in the myelin sheath surrounding an axon. The gaps permit the exchange of ions across the plasma membrane at those points, allowing the nerve impulse to leap from one node to the next in so-called saltatory conduction along the axon. [Louis A. Ranvier (1835–1922), French pathologist]