orienting reflex


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or·i·ent·ing re·flex

an aspect of attending in which an organism's initial response to a change or to a novel stimulus is such that the organism becomes more sensitive to the stimulation; for example, dilation of the pupil of the eye in response to dim light.

orienting reflex

(ôr′ē-ən-tĭng, -ĕn′-)
n.
An aspect of responding to environmental stimuli in which an organism's initial response to a change or novel stimulus makes the organism more sensitive to the stimulation, as when the pupil of the eye dilates in response to dim light.

or·i·ent·ing re·flex

(ōr'ē-en-ting rē'fleks)
An aspect of attending in which an organism's initial response to a change or to a novel stimulus is such that the organism becomes more sensitive to the stimulation (e.g., dilation of the pupil of the eye in response to dim light).
Synonym(s): orienting response.

orienting reflex

a component of the behavioral state of readiness or arousal.
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