Sensory Pathways and Nerve Mapping

A sensory exam checks pain, temperature, light touch, vibration, and joint position sense. It helps localize nerve and brain problems by showing which sensory pathways are affected. Sensation from the face is covered in Cranial Nerves Exam I and II, along with smell, vision, taste, and hearing.

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A complete sensory examination consists of testing primary sensory modalities as well as cortical sensory function. Primary sensory modalities include pain, temperature, light touch, vibration, and joint position sense, or proprioception. While cortical sensory testing examines the higher order aspects of sensation, like identifying an object on...