Chapter 2
Neural impulses travel down this part of the neuron.
What is the axon?
The pattern of fluctuations in bodily processes that occur regularly each day.
What is circadian rhythm?
Alcohol is classified as this type of drug.
What is depressant?
This system is made up of glands that secrete hormones into the blood stream.
What is the endocrine system?
This type of neuron transmits information from the brain and spinal cord to muscles and glands.
What are motor neurons?
According to Freud, this refers to the true, underlying meaning of a dream.
What is latent content?
A small, pea-sized structure in the forebrain that helps regulate many vital body functions, including body temperature, emotional states and responses to stress.
What is the hypothalamus?
The myelin sheath is made up of these.
What are glial cells?
This type of drug blocks the actions of neurotransmitters.
What are antagonists?
This type of drug alters sensory perceptions and can produce distortions.
What is hallucinogen?
This gland is responsible for the secretion of melatonin.
What is pineal?
This theory suggests that dreams may represent an attempt by the cerebral cortex to make sense of random neural activity during REM sleep.
What is activation-synthesis hypothesis?
The "master" gland.
What is the pituitary?
Temporary cessation of breathing during sleep.
What is sleep apnea?
An excess of this neurotransmitter has been linked to schizophrenia.
What is dopamine?
This part of the nervous system mobilizes bodily resources in response to threat.
What is sympathetic nervous system?
A group of nerve fibers that connect the left and right hemisphere.
What is the corpus collosum?
This type of hypnosis is geared toward pain cessation.
What is hypnotic analgesia?
This part of a neuron provides protective insulation that covers the axons of certain neurons and helps speed transmission of nerve impulses.
What is the myelin sheath?
This part of the hypothalamus is responsible for regulating the sleep-wake cycle.
What is the suprachiasmatic nucleus (SCN)?