ambiguous figure

a visual stimulus that can be interpreted in more than one way, such as an embedded figure or a reversible figure. A well-known example is the young girl–old woman image, in which the black-and-white drawing sometimes appears to be of a young girl and sometimes of an old lady. This phenomenon is not restricted to the visual: An ambiguous stimulus is one of any sensory modality that can have multiple interpretations.

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Psychology term of the day

December 23rd 2024

vasodilator

n. any drug or other agent that serves to increase the diameter of blood vessels, generally by relaxing smooth muscle in arterial walls. Vasodilators are commonly used in the treatment of hypertension and angina pectoris.