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Do ascending pathways conduct sensory impulses upward through three levels or orders of neuron groups?
Bwhite1213
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∙ 12y ago
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Ascending pathways in the spinal cord convey what?
Sensory information
Do Second-order neurons of ascending sensory pathways always decussate.?
No! Only neurons of the specific (lemniscal) & non-specific (anterolateral) pathways decussate and sensation is therfore interpreted in the opposite cerebral hemisphere.Spinocerebellar ascending pathways transmit proprioceptive sensory stimuli to the same side of the cerebellum.
Do descending fiber tracts of the spinal cord carry sensory or motor information?
The ascending tracts carry information to the brain.
What is the major relay station for sensory information ascending to primary sensory areas of the cerebral cortex?
The thalamus encloses the shallow third ventricle of the brain, and is the relay station for sensory impulses passing upwards to the sensory cortex.
Do sensory pathways travel to or from the brain?
Sensory pathways tavel to the brain.
What is the difference between afferent and efferent pathways?
The major difference is the direction of travel for nerve impulses. In the afferent nervous system, the impulses are traveling away from the brain - these tend to be motor impulses. In the efferent nervous system, the impulses are traveling towards the brain - these tend to be sensory impulses.
What is the similarities of neurons and motor neurons?
Functionally, neurons come in three varieties; motor neurons, sensory neurons and interneurons. Motor neurons conduct motor impulses from the CNS to the muscles. Sensory neurons conduct motor impulses from the rest of the body to the CNS. Interneurons connect the sensory to the motor so we can respond to incoming sensory stimuli.
What order neuron conduct sensory impulses from the brain stem and spinal cord to the thalamus?
from spinal nerve to posterior (dorsal) root
Similarities of motor and sensory neurons?
Sensory neurones carry impulses to the CNS, motor neurones carry impulses to muscles.
What are neurons that relay impulses from sensory to motor neurons?
Sensory Neurons
Are neurons that relay impulses from sensory neurons to motor neurons?
Sensory Neurons
The part of the peripheral nervous system that carries the sensory information to the CNS is designated?
The afferent division of the PNS carries impulses inward to a central organ or section, as nerves that conduct impulses from the periphery of the body to the brain or spinal cord
