test 2 review

How does the method of transcranial magnetic stimulation of brain areas differ from magnetic inactivation?

Brain activation results from mild, brief magnetic stimulation

The term cortical "laminae" refers to which of the following?

Distinct layers of cell bodies parallel to the surface of the cortex

Optogenetics is a process for simulating a limited populations of neurons with electrical pulses delivered directly to tissue in the occipital lobe.

false

Exocytosis is the process by which neurotransmitters are ____.​

released from the presynaptic neuron

The primary difference between an EPSP and an action potential is that ____

​EPSPs are subthreshold events that decay over time and space

Synaptic input causing an IPSP can be the result of ____ ions ENTERING the post-synaptic cell.

​chloride

Each hemisphere of the cerebral cortex receives most of its input from the ____ side of the body and controls the muscles on the ____ side.

​contralateral; contralateral

A receptor can directly open a channel and thereby exert a(n) ____ effect, or it can produce slower but longer ____ effects.​

​ionotropic; metabotropic

Which terms refers to a chemical that binds to another chemical?​

​ligand

Primary somatosensory cortex is located within the ____ lobe and is responsible for processing sensory information from ____.

​parietal ; touch receptors

Synaptic input causing an IPSP can be the result of ____ ions LEAVING the post-synaptic cell.

​potassium

Which pattern of post-synaptic excitation will most likely result in an action potential?​

​rapid sequence of EPSPs

Temporal summation most likely occurs with ____.​

​rapid succession of subthreshold excitation

The effect of a neurotransmitter on a postsynaptic neuron is determined by the ____.​

​receptors on the postsynaptic membrane

Superior colliculus is to ____ as inferior colliculus is to ____.

​vision; hearing