Brain Structures

Neurons are considered the __________ of behavior.

Building blocks

The support cells of the nervous system are called __________.

Glia

Reflexes are built in response patterns executed __________.

automatically

Dendrites __________ information.

Receive

The part of the neuron that integrates signals and keeps the cell alive is called the __________.

Cell Body (Soma)

The __________ transmits signals and carries them out from the neuron.

Axon

At the end of the axon, neurons make contact at the __________.

Synapse

The mechanism that provides a charge across the membrane of a neuron is called __________.

Membrane Potential

The __________ Nervous System is responsible for activating the fight or flight response.

Sympathetic

The __________ controls involuntary functions such as heart rate and digestion.

Autonomic Nervous System

The __________ consists of the brain and spinal cord.

Central nervous system

The __________ in the brain is important for motor function, learning, and memory.

Cerebellum

The four lobes of the cerebral cortex are: __________, __________, __________, and __________.

Occipital, Temporal, Parietal, Frontal

The __________ organizes different functions in the cortex.

Functional Specialization

The __________ of the brain contains both gray matter and white matter.

Cerebral Cortex

At the threshold potential, the membrane reaches __________ mV.

–55

The resting membrane potential is approximately __________ mV.

-70 mV

When sodium channels open, Na+ ions rush in until the membrane potential reaches __________ mV.

+50 mV

Training as a pianist reorganizes both auditory and __________ representations in people.

finger