Which statement about brain activity during the transition from wakefulness to sleep is false?
A) Specific nuclei in the brainstem decrease neurotransmitter release.
B) Neurons in the thalamus and cerebral cortex become hyperpolarized.
C) Resting potentials of neurons in the thalamus and cerebral cortex become more positive.
D) Neurons in the thalamus and cerebral cortex become less sensitive to excitatory synaptic input.
E) Processing of information by neurons in the cerebral cortex and thalamus is inhibited.

Question

Quizplus · Accepted Answer

During the transition from wakefulness to sleep, the resting potentials of neurons in the thalamus and cerebral cortex become more negative, not more positive. This is known as hyperpolarization, which makes neurons more difficult to excite.

Which Statement About Brain Activity During the Transition from Wakefulness