Which of the following nuclei is involved in both light reflex and accomodation reflex?
Correct Answer: Edinger - Westphal nucleus
Description: Explanation: - Pupillary light reflex: Visual pathway - pretectal nucleus - Edinger Westphal nucleus - constriction of the pupil. NOTE: Pretectal nucleus is connected to E-W nucleus bilaterally, causing contralateral pupil to also constrict (indirect light reflex). Accommodation reaction: Visual pathway - visual coex (blurred image of a near object) - E-W nucleus - changes of accommodation.
Category:
Physiology
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