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| Everything outside the brain and spinal cord |
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| Groups of cell bodies in the PNS |
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| Bundles of Axons in the PNS |
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| Bundles of Axons in the CNS |
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| Refers to mylinated axons |
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| Part of the PNS- Made up off all the sensroy nerves from the most of the conscious sense such as the nerves running from the sensory recptors in the the eyes, ears and skin to the CNS |
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Concerned with sensroy systems we are not usually aware of
controlls muscles such as heart and intestines |
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| Part of the Autonomic NS which keeps the body functioning smoothly |
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| Part of the Autonomic NS that kicks in in times and stress and danger. |
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| Part of CNS- the gray matter of the spinal cord which contains the cell bodies of the motonuerons. Nuerons which directly control the action of the muscles |
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| Contains cells that convey sensory information |
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| RAS (Recticular Activating System) |
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| a interconnection of diffuse brain centers and brancing fiber tracts, connected in such away that when one part is excited the entire system becomes activated- Helps maintain arousal. |
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| System made up of nuclei- causes sleep |
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Nucleus in the lower brain that receives input from many sources both inside and outside the CNS and diffusley projects axons to the limbic system and cortex and many other higher brain centers
Known to be involved in control of mood |
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| Brain Structure above the medulla- Functions as a part of the motor system |
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Brain structure located under the cortex, important for controlling voluntary movement.
-Parkinsons disease |
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| Input side of basal ganglia receives axons from the cortex and thalamus |
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| The output side of the basal ganglia- sends projections back to the cortex via the thalamus |
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| the system that directly connects the motor cortex to the muscles |
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| Periaqueductal Gray (central gray) |
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| System which runs through central part of the brain. Involved in the perception of pain |
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| Brain pathway which controlls motivation and emotion |
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Carries Axons that run in both directions between lower cneters in the brain and hypothalamus and other limbic system structures.
these projections are thought to be part of a monoamine system that governs mood and may be the site of action for SSRIs |
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| Large Limbic structures that has been implicated in learning and memory |
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Makes the uppermost surgace of the brain and virtually covers the rest of the brain. It is convulted
Functions to handle integreation of sensory information
Higher mental processes of thought and cognition are carried out in areas of the frontal cortex and prefrontal cortex |
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| Dorsolateral Prefrontal cortex |
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| Representation, Manipulation, and maintenance of attentional demands of tasks |
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| Part of the medial Profrontal cortex that is thought to mediate attention, response, competition and slection, supression of prepotent response tenedencies, conditioned drug seeking, and craving |
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| was prescribed to many pregnant women to treat the nausea of morning sickness |
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| Drugs that cause mal formation in infants |
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| Severe brain malfunction or less apparent disruptions in the functioning of the brain - only apparent after careful study |
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part of brain- made of of fibre tracts running to the to and from the spinal chord and connecting to the higher centers of the brain
controlls respitory center
contains vomiting center |
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| Mesolimbic Dopamine system |
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Definition
| brain system located in the VTA in the midbrain.important reinfocrcement system |
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| located below the frontal- involved in learning and relearning of stimulus |
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