AP Psychology Unit 2
Card Set Information
AP Psychology Unit 2
Central Nervous System
Spinal Cord and Brain. Processes information and directs actoins.
Peripheral Nervous System
Nerves not in bones. Send info to CNS.
Part of Peripheral Nervous System. Messages from senses.
Part of Peripheral Nervous System. Controls Involuntary actions.
Part of Autonomic System. Fight or flight responses.
Part of Autonomic System. Quiets body conserves energy.
Cell body of neuron
Receive the signal
Carries impulses from cell body
insulates and protects neuron
area between two neurons
Resting potential/Action potential
The value at which a neuron will or won't fire
When a neuron fires
The time a neuron waits until it can fire again
a neuron either fires or it doesn't, no in between and no strong or weak spark
the chemicals sent by neurons
after a neuron sends a neurotransmitter what isn't taken up is sucked back in by the axon terminal
Enables muscle action, learning, and memory. Too little can cause Alzheimer's disease
Influences movement, learning, attention, and emotion. Too much: Schizophrenia Too little: Parkinson's disease
Inhibits central nervous system; regulates anxiety and movement. Too little: seizures, tremors, and insomnia.
Excites central nervous system; regulates learning and memory. Too much: Migraines and Seizures
Regulates mood changes and sleep. Too little: Depression
Regulates sleep, mood, appetite, pain, and emotion. Too little: depression
Inhibitory neural regulators involved in pain relief
Positron emission topography. Scan can capture a picture of the brain as different parts are being used.
Magnetic resonance imaging. combines CAT and PET scans.
Computerized axial tomography. Scans were used to pinpoint injuries and other problems in brain deterioration.
electroencephalograph. Electrical activity of whole areas of the brain can be recorded.
Tamping iron entered Gage's head right below the left eye. Caused damage to frontal cortex, hurt thoughts and ideas.
Rear base of skull. Involved in most basic processes of life
Breathing heart rate and blood pressure
Movement balance coordination and muscle tone
Lower brain w/higher brain. also does facial expressions
Small part above pons that integrates sensory information and relays it upward
Reticular Activating System
Alert brain to the rest of the brain to incoming signals
Brains central core
Relays info from all senses except smell--> too higher levels of brain
Regulates emotions and motivatoins
rage and violence --> emotions
formation of memory also smell
The different lobes of the brain
connects the two hemispheres
Sends chemical messages called hormones/ another communication system
Produced in the endocrine glands and are distributed by the blood and other body fluids.
"Master Gland" located near the midbrain
stimulates certain chemical reactions important for all tissues of the body. Too little: feel lazy and lethargic
Active when a person angry or frightened.
endorphin also called Adrenaline
Male sex hormone
Female sex hormone