The Biology of Behavior

The brain waves that are characteristic of deep relaxation (frequency of 8-12 cycles per second) are called:

A

The refractory period is:

A period when the cell cannot fire

An agent or drug that enhances the activity of some naturally occurring substance.

Agonists

The nervous system includes:

All of the above

A neurotransmitter, the bulk of which is found in the gut, where it regulates intestinal activity.

Serotonin

______ are drugs that speed up bodily functions, whereas _____ are drugs that slow down bodily functions.

Stimulants/depressants

The space between the ends of one cell's axon and another cell's dendrites is a ____.

Synapse

Finish the quote by Albert Einstein, "Science without religion is lame, ______.

religion without science is blind.

We possess nearly all our brain cells at birth.

True

The part of the brain that is responsible for reasoning and assessing risk in decision making

Frontal Lobe

The limbic system is responsible for all of the following EXCEPT:

Appetite

The ______ regulates physiological functions such as respiration, heart rate, temperature, and digestion and includes the sympathetic and parasympathetic systems.

Autonomic nervous system

Acetylcholine is a neurotransmitter involved in the largely unconscious functioning of the ______ nervous system, concerned with functions such as ____ and respiration rates.

Autonomic/heart

Agonists block or reduce the effects of a neurotransmitter.

False

The Cerebellum's principal function is:

Coordinating motor activity and maintaining balance

Neurons will fire regardless of the level of stimulation.

False

Revonsuo's dream theory suggests:

Dreams provide us the opportunity to practice responding to threats

The Sympathetic nervous system, part of the autonomic nervous system, instigates the physiological responses that accompany _____ behavior.

Emotional

Dendrites are:

Hair-like extensions emanating from the cell body of the neuron that receives impulses

Norepinephrine _____ blood pressure and triggers the release of ____ from energy stores.

Increases/glucose

The parasympathetic nervous system does all of the following EXCEPT:

Instigates the physiological responses that accompany emotional behavior

The hippocampus is primarily involved in:

Learning and memory

Nerves are made up of bundles of ____.

Neurons

One neuron can communicate with another neuron by sending little chemical messengers called ______.

Neurotransmitters

_______ is a term used to describe the path that drugs take through our body, from start to finish.

Pharmacokinetics

_______ is defined as the ability to change.

Plasticity

Dopamine is centrally involved with:

Pleasure and reinforcement

Axons are:

The elongated part of the nerve cell that transmits impulses

One of the primary functions of the hypothalamus is homeostasis.

True

Plasticity is the ability to change.

True