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Any sense receptor at the surface of the body that transmits information about the external environment.



any one of a large group of specialized sensory structures that perceive stimulation arising from the external environment. Exteroceptors are situated on the surface of the bodies of animals and humans (including the mucous membranes of the nose, mouth, and tongue). Depending on the nature of the stimulus perceived, a distinction is made between mechanoreceptors of the skin (tactile), chemoreceptors (gustatory and olfactory organs), thermoreceptors of the skin, photoreceptors, and receptors of the organs of hearing and equilibrium. Dolphins, bats, and noctuids have receptors sensitive to ultrasound; some fishes are sensitive to electric fields.

References in periodicals archive ?
two reinforcement schedules alternating during the same exteroceptive stimulus) to study behavioral contrast.
Being watched: The effect of social self-focus on interoceptive and exteroceptive somatosensory perception.
The scheme of semiosis of perception here proposed is an attempt of sketching a possible global architecture of cognition, describing perception as a syncretic content resulting of the exteroceptive, proprioceptive and interoceptive instances.
Basically, adopting an external focus of attention during MI might promote associations between movements and their exteroceptive effects, whereas using an internal focus would support the link between movement and both tactile and kinesthetic sensations.
Inherent feedback consists of sensory information that arises as a natural consequence of attempting to perform a task, and can be further divided into categories of either proprioceptive or exteroceptive feedback.
A procedure for generating differential "sample" responding without different exteroceptive stimuli.
Role of exteroceptive background context in taste-aversion conditioning and extinction.
Avoidance conditioning with brief shock and no exteroceptive warning signal.
One of the facilitatory methods is exteroceptive stimulation in the form of light touch and temperature (cold) stimulation--the so-called brushing and icing techniques.
Interoception names the internal sensitivity complementing the exteroceptive one.