psyc6
Terms
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- lobes
- major divisions of the cerebral cortex
- cerebral cortex
- the outermost layer of the brain; controls high level mental processes such as thought
- fissure
- a depression marking off an area of the cerebral cortex
- hemisphere
- one half of the cerebral cortex; each half controls the opposite side of the body
- corpus callosum
- a large bundle of nerve fibers that transfer information from one half of the cerebral cortex to the other
- frontal lobe
- contains the motor strip, prefrontal area, and frontal association area
- parietal lobe
- contains the sensory strip
- motor strip
- band running down the side of the frontal lobe that controls all bodily movements
- sensory strip
- band running down the side of the parietal lobe that registers and provides all sensation
- occipital lobe
- division of the cerebral cortex that interprets visual information
- temporal lobe
- responsible for hearing and some speech functions
- prefrontal area
- part of the frontal lobe that enables us to re-experience personal past events
- frontal association area
- part of the frontal lobe that engages in elaborate associations or mental connections; personality and complex thoughts
- dominance
- control more by either the right or left hemisphere
- lower brain
- part of the brain common to animals and humans that regulates basic functions such as breathing
- thalamus
- central relay station from body to brain and brain to body
- hypothalamus
- part of the lower brain that regulates basic needs and emotions. hunger, thirst,fear,rage
- limbic system
- basic emotions and memory
- hippocampus
- forms memories
- amygdala
- emotion, especially aggression
- cerebellum
- balance
- RAS
- regulates the activity level of the body
- neuron
- nerve cell, transmit electrical and chemical information throughout the body
- dendrites
- receive information from the axons of other neurons
- axon
- carry messages away form the cell to the dendrites
- synapse
- junction point of two or more neurons
- vesicles
- bubblelike containers of neurotransmitters
- neurotransmitters
- chemicals in the endings of neurons that send information across synapses
- spinal cord
- relay station for impulses
- central nervous system
- brain and spinal cord
- peripheral nervous system
- all nerves besides brain and spinal cord
- somatic nervous system
- division of the peripheral nervous system containing sensory and motor nerves
- thyroid gland
- gland that controls and regulates the speed of bodily processes, called metabolism