The Nervous System
What two parts of the body make up the central nervous system?
Brain and spinal cord
What is a neuron's main function?
Transmit information throughout the body
When you undergo this after not using something like caffeine or nicotine, you can have symptoms such as a depressed mood or a headache.
Withdrawals
The stage of sleep where brain activity is heightened and vivid dreams commonly occur.
What is REM sleep?
What part of the brain is responsible for automatic survival functions and includes structures like the medulla and reticular formation?
The brainstem
Voluntary control of skeletal muscles
What is the somatic nervous system?
What is the job of the myelin sheath? (2 answers, must get both to be correct)
1. Surround and protect the axon
2. Speed up electrical impulses
What are the four types of psychoactive drugs?
Depressants, stimulants, hallucinogens, and opioids
This is our bodies' "natural alarm clock" and is controlled by the hypothalamus
Bundle of nerve fibers that join the left and right hemispheres of the brain together
What is the corpus callosum?
Incoming information to the CNS is called ________ information. (answer will be the blank)
Sensory/Afferent
This law states that a neuron will either fire or it won't, there is no in between.
All or None Law
What is a negative side effect of using barbiturates?
Impaired memory and judgement
A sleep disorder where someone undergoes uncontrollable sleep attacks, often falling asleep at inconvenient times and places.
Narcolepsy
What area of the brain is responsible for speech comprehension? (Damage to this area may cause impaired understanding when being spoken to and incoherent speech patterns.)
Wernicke's Area
This gland produces melatonin and regulates sleeping patterns.
Pineal gland
The threshold amount that a neuron must reach to fire
What is action potential?
Which system is slowed by drinking alcohol?
Sympathetic Nervous System (SNS)
Freud's Wish-Fulfillment Theory
Which area of the brain depicts a neurological "map" of areas & proportions of the brain dedicated to processing motor functions, or sensory functions, for different parts of the body?
Which gland releases norepinephrine and epinephrine?
Adrenal glands
This is a disease where antibodies destroy the communication between nerves and muscles.
Name at least 2 side effects of using marijuana.
Heightened sensitivity, impaired motor coordination, disrupted memory formation, shrinkage in brain if used over a long period of time
Name the 4 main lobes of the brain (must get all 4 for points).
Frontal lobe, occipital lobe, temporal lobe, parietal lobe