What is the purpose of the refractory period in neurons?

Graded potentials get smaller as they move away from the stimulus.

What symptoms would you expect to see in a patient with degradation of dopaminergic neurons in the substantia nigra?

Local currents depolarize the axon segments after segment one to threshold.

A diffuse region of grey matter in the brain stem related to sleep and wakefulness is the _____.

Which of the following best describes a primary function of the thalamus?

The primary somatosensory cortex is the surface of the _____.

Voltage-gated ion channels are present _____.

The specific strip of skin that is innervated by a specific spinal nerve is called a _____.

Cell bodies of somatosensory neurons are always located in a/n _____.