―Second Messenger‖ System in the Postsynaptic Neuron. Many functions of the
nervous system—for instance, the process of memory—require prolonged changes in neurons for
seconds to months after the initial transmitter substance is gone.
Somatic Sensations: I. General Organization, the Tactile and Position Senses
The
somatic senses are the nervous mechanisms that collect sensory information from all over the
body. These senses are in contradistinction to the
special senses, which meanspecifically ision,
hearing, smell, taste, and equilibrium.
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