This neurotransmitter acts like a drug to reduce pain as well as help transmit messages; it is the natural "morphine" in our bodies and can produce a "runners high".
What are Endorphins?
100
the part of the brain linked to emotion; specifically anger and fear.
What is amygdala?
100
Theory that suggests only a certain amount of information can be processed 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 theory?
100
a coiled, bony, fluid filled tube in the inner ear; sound waves traveling through the fluid inside trigger nerve impulses.
What is the cochlea?
100
these occur during 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?
200
a nerve cell
What are Neurons?
200
this lobe of the brain receives and processes messages from the skin senses, such as warmth, cold, touch, and pain.
What is Parietal lobe?
200
the light sensitive inner surface of the eye; contains the receptor rods ans cones plus layers of the neurons that begin the processing of visual information.
What is a retina?
200
the process by which our brain organizes and interprets sensory information, transforming it into meaningful objects and events.
What is perception?
200
This is a sleep disorder that involves and interruption in breathing.
What is sleep apnea?
300
the area of the left hemisphere that controls speech muscles; damage to this area would result in a person struggling to form words.
What are Brocas?
300
this part of the brain controls language and logic.
What is left hemisphere?
300
the process by which our sensory receptors and nervous system take in stimulus energies from the environment.
What is sensation?
300
visual information that is likely to be wrongly perceived or interpreted by the brain.
What is illusion?
300
Recurring sleep stage during which vivid dreams commonly occur; also known paradoxical sleep, because the muscles are paralyzed, but the brain is active.
What is REM sleep?
400
This brain half controls spatial behavior and artistic efforts.
What is right hemisphere?
400
Neurotransmitters in the eye that allow you to see light and color.
What are rods and cones?
400
transfer visual information from the retina to the vision centers of the brain via electrical impulses.
What is the optic nerve?
400
This sleep disorder is the inability to fall asleep, to sleep, or too stay asleep; it is usually caused by stress.
What is insomnia?
500
the part of the neuron located at the end of a nerve cell and receive messages from other nerve cells.
What are dendrites?
500
This brain lobe controls executive functions such as making decisions, planning, reasoning, and carrying actions.
What is frontal lobe?
500
a bundle of nerve fibers that carries hearing information between the cochlea and the brain
What is auditory nerve?
500
these types of senses know the body position and the movement of muscles, tendons, and joints.
What is kinesthetic senses?
500
this sleep disorder causes a person to fall asleep at unpredictable intervals; this condition is rare and very dangerous.