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Ch6
Ch6 Vocab
31
Psychology
12th Grade
10/24/2013

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Term
Central Nervous System
Definition
The brain and spinal cord.
Term
Peripheral Nervous System
Definition
Nerves branching out from the spinal cord.
Term
Neurons
Definition
cells which pass messages to and from the brain.
Term
Synapse
Definition
The gap between neurons that messages are fired across.
Term
Neurotransmitters
Definition
Chemicals released by neurons that determine the rate that neurons transmit or fire.
Term
Somatic Nervous system
Definition
Part of the nervous system that controls voluntary movement.
Term
Autonomic Nervous system
Definition
Part of the nervous system that controls internal biological functions.
Term
Sympathetic Nervous system
Definition
Part of the nervous system that readies the body for action.
Term
Parasympathetic Nervous system
Definition
Part of the nervous system that slows the body down and conserves energy.
Term
Endorphin
Definition
Neurotransmitter that inhibits the transmission of pain messages.
Term
Hindbrain
Definition
Primitive part of the brain at base of skull responsible for basic processes of life.
Term
Midbrain
Definition
Connects the Hindbrain and Forbrain
Term
Forebrain
Definition
What separates humans from other mammals, controls language and thought.
Term
Right Hemisphere
Definition
Controls left side of body and more important in spatial problems
Term
Left Hemisphere
Definition
Controls right side of the body and more important in language and reading.
Term
Parietal lobe
Definition
Lobe important in body sensations
Term
Occipital lobe
Definition
Lobe important for vision
Term
Temporal lobe
Definition
Lobe important for hearing, advanced visual processing
Term
Frontal lobe
Definition
Lobe important for working memory.
Term
Corpus Callosum
Definition
Allows the left and right sides of the brain to communicate with each other.
Term
EEG, CAT, PET, MRI
Definition
Imaging techniques for understanding brain function.
Term
Endocrine System
Definition
Chemical communication system, using hormones that sends messages through the bloodstream.
Term
Hormones
Definition
Chemicals used to send messages through the bloodstream.
Term
Pituitary Gland
Definition
Center of control for the Endocrine system.
Term
Thyroid Gland
Definition
Gland controls metabolic rate.
Term
Adrenal Gland
Definition
Gland releases adrenaline and cortical steroids to help in times of stress.
Term
Ovaries and Testes
Definition
Glands that release testosterone and estrogen.
Term
Heredity
Definition
Genetic traits passed on from parents.
Term
Nurture
Definition
Learned behavior and experiences, not genetic.
Term
Identical Twins
Definition
From one fertilized egg.
Term
Fraternal Twins
Definition
From two different fertilized eggs.
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