Recurring sleep stage during which vivid dreams commonly occur; also known as paradoxical sleep, Because the muscles are paralyzed, but the brain is active
What is REM stage
100
The part of the brain linked to emotion; specifically anger and fear.
What is the Amygdala?
100
Stored in sacs of the axon terminal; chemical messages that cross over to the next nerve cell.
What are neurotransmitters?
100
Slows the activity of the nervous system; alcohol, valium, xanax.
What are depressants?
100
This lobe of the brain recieves and processes messages from the skin senses, such as warmth, cold, touch, and pain.
What is the parietal lobe?
200
This is a sleep disorder that involves a disruption of breathing
What is sleep apnea?
200
This hemisphere of the brain controls spatial behavior and artistic efforts.
What is the right hemisphere?
200
The brain and spinal cord make up this nervous system.
What is the Central Nervous System?
200
Acts like a drug to reduce pain, as well as help transmit messages; it is the natural morphine in our bodies to produce a runner's high.
What are endorphins?
200
Theory that suggests onbly a certain amount of information can be processes by the central nervous system at a time; rubbing or scratching a painful area transmits sensations to the brain that competes with the pain messages for attention.
What is Gate's Theory?
300
An altered state of consciousnesses that a train therapist can induce; characterized by heightened suggestibility, deep relaxation, and highly focused attention; but it is NOT sleep.
What is hypnosis?
300
This hemisphere of the brain controls language and logic.
What is the left hemisphere?
300
The gap between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.
What is synapse?
300
Chemical that is involved in motor messages and behavior; if a person has too little of this chemical, they may suffer from Parkinson's disease; too much, schizophrenia.
What is dopamine?
300
A coiled, bony, fluid-filled tube in the inner ear; sound waves traveling through the fluid inside trigger nerve impulses.
What is the cochlea?
400
These occure during the REM sleep most of the time, but they can occur at any stage of sleep; Sigmund Freud believes they can reflect unconscious urges or wishes
What are dreams?
400
The structure of the brain that connects and relays messages between the two hemispheres; severed in extreme cases of epilepsy.
What is the corpus callosum?
400
A nerve cell.
What is a neuron?
400
Too little of this chemical can lead to Alzheimer's disease.
What is acetyl-choline?
400
The process by which our brain organizes and interupts sensory information, transforming it into meaningful objects and events.
What is perception?
500
This sleep disorder is the inability to fall asleep, to sleep, or to stay asleep, it is usually caused by stress.
What is insomnia?
500
The area of the left hemisphere that controls speech muscles; damage to this area would result in a person struggling to form words.
What is Broca's Area?
500
This nervous system includes all the nerve cells that send and receive messages from all parts of the body to the spinal cord and the brain.
What is the peripheral nervous system?
500
The process by which our sensory receptors and nervous system take in stimulus energies from the enviornment
What is sensation?
500
The lobe of the brain with executive functions sich as making decisions, planning, reasoning, and carrying out actions.