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Definition
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| Peripheral Nervous System |
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Definition
| The pathway that runs to and from the CNS. Made up of the Somatic Nervous System & Autonomic Nervous System. |
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| Interacts with the external environment by controlling voluntary movements of striated muscles. |
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| interacts with the internal environment and is responsible for the fight or flight response. Controls involuntary functions. The ANS is made up of the sympathetic nervous system and the parasympathetic nervous system. |
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| Sympathetic Nervous System |
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Definition
| controls arousal mechanisms such as blood circulation, pupil dilation, and threat and fear. response. (Lie detector tests trigger the SymNS |
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Term
| Parasympathetic Nervous System |
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Definition
| responsible for recuperation after arousal by doing things like lowering heart rate, blood pressure, and respiration. |
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Definition
| Consists of gray matter (cell bodies and dendrites) and an outer covering of white matter (nerve fibers, axon bundles and myelin) |
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Definition
| Consists of the Medulla, metencephalon (pons), & reticular formation. |
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Definition
| Mainly controls reflexes, but also controls sleep, attention and movement. |
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| Metencephalon (contains Pons & Cerebellum) |
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Definition
| connects brain parts to the spine. controls muscle coordination, balance and posture. |
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Definition
| oldest part of the brain that controls alertness, thirst, sleep, and involuntary muscles such as the heart. |
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Definition
| Contains the tectum(vision and hearing) & the Tegmentum (sensorimotor system) |
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Definition
| hypothalamus, thalamus & the rest of the forebrain. |
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Definition
| Connections between the brain and the spine. |
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Definition
| Thalamus and hypothalamus |
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Definition
| Channels sensory information from the cerebral cortex |
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Definition
| Controls ANS biological motivations, such as hunger thirst and the pituitary gland. |
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| The master gland of the endocrine/hormone system. |
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| contains the limbic system, hippocampus, amygdala, & the cingulate gyrus. |
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| A group of structures around the brainstem involved in the four F's (Fleeing, Feeding, FIghting, & Fucking |
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Definition
| Involved in memory, specifically transferring short term memory into long term memory. |
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Definition
| Controls emotional reactions such as fear and anger |
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Definition
| Links areas in the brain dealing with emotion and decisions. |
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Definition
| The outer half inch of the cerebral hemispheres. Split into 4 lobes |
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Definition
| Controls speech, reasoning, and problem solving. House's broca's area for speech. |
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| bumps and fissures as seen on the surface of the brain. |
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| tough connective tissues that cover and protect the brain and spinal cord. |
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Definition
| protects the brain by making it extremely difficult for toxic substances to pass from the blood into the brain, since cells are so tightly packed. |
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Definition
| chambers filled with cerebrospinal fluid that insulate the brain from shock |
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Definition
| controls visual reflexes. |
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Definition
| controls auditory reflexes |
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Definition
| control large voluntary muscle movements. Parkinson's and Huntington's disease related to damage within the basil ganglia. |
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Term
| Cortical Association Areas |
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Definition
5 Areas corresponding to certain functions:
Apraxia (movement)
Agnosia (sensory info)
Aphasia (language)
Alexia (reading)
Agraphia (writing) |
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Definition
| a person would be able understand speech, but would show difficulty speaking. |
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Definition
| someone would be able to speak, but wouldn't be able to correctly choose words |
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Definition
| Overeating with no satiation of hunger. Leads to obesity. Damage within the hypothalamus. |
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| incredible rage easily provoked when the cerebral cortex is removed. |
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| used to implant electrodes into a brain. |
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| fMRI (functional magnetic resonance imaging) |
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Definition
| measures oxygen flow in different areas of the brain & brain activity during certain tasks. |
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| Positron emission topography (PET scan) |
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Definition
| scans glucose metabolism to measure activity in various brain regions. |
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