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Describe the flow of information in the nervous system |
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Definition
recieve info → process info → respond sensory neurons motor neurons sensory receptors brain and glands or muscles (PNS)detect spinal cord depending on response changes in (CNS) send (PNS) environment information to effectors |
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| reflex centers for basic living functions |
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| (bridge) pathway for info from spinal cord to brain, helps with basic living functions |
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| movement, coordination, posture, balance |
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| relays sensory information to forebrain, integrates some sensory information |
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neuroendocrine control center and is involved in circadian rhythms. Very important with homeostatic regulation. Hunger, thirst and many other basic survival mechanisms. |
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| relays sensory input to cerebrum and motor output from cerebrum |
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| learning, association and correlation |
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| what is the amount of brain space dedicated to sensory areas based on |
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| where are interneurons located? |
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| what is the gray matter consistent of? |
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Definition
| denderites, unmyelinated axons and neuron cell bodies |
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| what makes up the central nervous system? |
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Definition
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| what makes up the peripeheral nervous system |
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Definition
sensory nerves and mmotor nerves :cranial nerves, spinal nerves and ganglia |
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what are two functional components of the PNS |
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Definition
| somatic nervous system and autonomic nervous system |
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| carries signals to and from skeletal muscles in response to external stimuli. (voluntary) |
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| regulates the internal environment by controlling cardiac and smooth muscles, organs of the digestive, cardiovascular, excetory and endocrine systems (involuntary) |
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| three subdivisions of autonomic nervous system |
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Definition
| sympathetic, parasympathetic and enteric |
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Definition
| emergency response, corresponds to arousal and energy generation |
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| give an example of a sympathetic response |
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Definition
heart beats faster, liver converts glycogen to glucose or bronchi of the lungs dilate |
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| medulla oblongata, pons and midbrain |
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what parts of the brain is sleep related to |
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| convolutions in neocortex of cerbrum allow what? |
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Definition
| large surface area and still fit inside the skull |
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