PSC 1 - Chapter 3 Homework

Complex, organized communication system of nerves and neurons is the

Includes all nerves lying outside the central nervous system is the

Consists of the brain and spinal cord is the

Produces rapid physical changes to perceived threats and emergencies is the

Communicates sensory and motor information is the

Maintains normal bodily functions and conserves physical resources is the

Regulates involuntary functions such as heartbeat and respiration is the

Main organ of the nervous system, made up of billions of neurons is the

Handles both incoming and outcoming messages to and from the brain is the

Match the description to the appropriate region of the cerebral cortex

Pavia slips and falls in the bathroom and bangs her head on the tile floor. She begins to see “stars” and flashes of light, indicating some activation of brain cells in the

Paul has auditory hallucinations where he thinks he hears the voices of demons, which involves activation of the

Leilani suffered a brain injury in a car accident which left her with temporary numbness on the left side of her body, which likely involves her

Albert was in an accident and is now unable to move his right hand, which likely suggests damage in the

Shirley had a severe head injury and now she blurts out whatever she is thinking, regardless of the social setting; this could be linked to damage to her

Match the description to the brain region that is likely affected.

After Larry was hit in the head by a baseball, his movements became jerky and uncoordinated, and he could no longer type or play guitar. The baseball likely damaged his .

In the third round of a boxing match, Bruno caught a right hook that snapped his head back; when he hit the canvas, his breathing stop. He likely experienced damage to his .

Ever since he was in a car accident 6 months ago, Lily watches the same video day after day and responds to it as if she has never seen it before. Her sensory functions are intact, but she does not seem to be able to form new memories because of damage to her .

Janna has lost her senses of taste, sight, hearing, and touch because of a brain tumor in her .

When researchers electrically stimulated a brain region in a cat, its back arched, its fur bristled, and it showed all the characteristics of feline rage and anger. The part that was stimulated was the .

Dendrites in the postsynaptic neuron pick up from the synapse. If more than signals are received, the postsynaptic neuron fires.

The travels down the axon. If the axon is myelinated, the message travels more

When the message reaches the end of the axon, neurotransmitters are released from into the synapse. In the adjacent neurons, the process begins again.