Stimulus modality
Stimulus Modality
Stimulus modality, also known as sensory modality, refers to the way in which stimuli are perceived and processed by our sensory system. The term is derived from the Latin word "modus", which means "measure" or "manner".
Pronunciation: /ˈstɪmjʊləs moʊˈdælɪti/
Etymology
The term "stimulus" originates from the Latin word "stimulus" meaning 'goad, spur, incentive'. The term "modality" comes from the Latin "modalis" which pertains to a 'measure' or 'manner'.
Definition
Stimulus modality refers to the type of stimulus or the aspect of the stimulus that is processed by a specific sensory receptor. For example, light is the stimulus modality for photoreceptors in the eyes, while sound is the stimulus modality for auditory receptors in the ears.
Related Terms
- Sensory Receptor: A structure that reacts to a physical stimulus in the environment, whether internal or external.
- Photoreceptor: A type of sensory receptor capable of converting light into signals that can be processed by the nervous system.
- Auditory Receptor: A sensory receptor primarily responsible for the detection of sound.
- Sensory System: The part of the nervous system responsible for processing sensory information.
See Also
External links
- Medical encyclopedia article on Stimulus modality
- Wikipedia's article - Stimulus modality
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