An increase in electric conduction induced by radio waves, exploited in the coherer.

The phenomenon of a large number of persons independently sharing the same false memory.

(film) A mental phenomenon by which viewers derive more meaning from the interaction of two sequential shots than from a single shot in isolation.

(physiology) A special manifestation of the myogenic tone in the vasculature, whereby in the event that blood pressure is increased in the arterioles and the vessels distend, they react with a sudden vasoconstriction caused by the activation of certain ion channels in the vascular smooth muscle cells.

The situation where performance gains in a task are seen in weaker individuals who are striving to keep up with the accomplishments of other group members.

(psychology) A cognitive bias in which judgment of somebody's character is influenced by an overall impression of him or her.

(chemistry, physics) The effect that differing masses of different isotopes of the same element have on the physical and chemical properties of that element

A deleterious placebo effect.

The tendency for the peak luminance sensitivity of the human eye to shift toward the blue end of the spectrum at low illumination levels.

A temporal perceptual illusion that can arise when observers judge the elapsed time between sensory stimuli applied sequentially at different locations. Subjects tend to overestimate the time between stimuli when the distance between the stimuli is large, and to underestimate the time when the distance is small.