Somatic Sensory and Motor Pathways

Published: 2021-09-14 09:40:10
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Somatic Sensory and Motor Pathways
The components of brain interact to receive sensory input, integrate and store the information, and transmit motor responses. To accomplish the primary function of nervous system these are neural pathways to transmit impulses from receptors to the circuit of the brain which manipulate the circuitry to form directives that are transmitted by neural pathways to effectors as a response.
The neural pathway are series of neurons where by a nerve impulse can be transmitted from one part of the body to the other part of the body. The direct motor pathway originates in the cerebral cortex. The corticospinal pathway to the limbs and trunk the corticobulbar pathway to the head. The indirect motor pathway originate in the brain stem.
Functions of somatic receptors and sensory pathway receive stimuli and generate action potential. Through sensory pathway these action potential are transmitted to the central nervous system. The function of the motor pathway is to carry action potential from the CNS to its effectors which are either muscles or glands. The neural circuits involving basal ganglia and cerebellum regulate activities of the upper motor neurons. Somatic sensory pathways relay information from somatic receptors to the primary somatic sensory area in the cerebral cortex. Somatic sensory nerves impulses get to the brain stem from the head itself are conducted through cranial nerves.

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