All sensory input arrives at the central nervous system in the same form,as ________ propagated by afferent neurons.Perception of the type and intensity of a stimulus depends on which part of the brain the impulse projects to and the firing frequency of the sensory neuron.
A)action potentials
B)receptor potentials
C)reflexes
D)frequency localizations
E)thresholds

Question

Quizplus · Accepted Answer

Sensory input is transmitted in the form of action potentials generated by afferent neurons. The perception of the stimulus depends on which part of the brain the impulse projects to and the frequency of firing of the sensory neuron. Thus, option A is the correct answer. Receptor potentials are membrane depolarizations that arise from the activation of sensory receptors, but they are not the form in which sensory information is transmitted to the CNS. Reflexes, frequency localizations, and thresholds are not relevant in the context of the given question.

All Sensory Input Arrives at the Central Nervous System in the Same