Chapter 3 lecture -Tuesday February 7th

StudyBlue printing of Chapter 3 lecture -Tuesday February 7th html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; background: transparent; } body { line-height: 1; } blockquote, q { quotes: none; } blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; } /* remember to define focus styles! */ :focus { outline: 0; } /* remember to highlight inserts somehow! */ ins { text-decoration: none; } del { text-decoration: line-through; } /* tables still need 'cellspacing="0"' in the markup */ table { border-collapse: collapse; border-spacing: 0; } /* end RESET */ .header { min-width:800px; } .logo { padding:6px 20px 2px 20px; margin:0; font-size:25px; 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-moz-border-radius: 5px; -webkit-border-radius: 5px; } .print-button a:hover { background-color:black; } .theNote .content { width: 8.0in !important; margin: 5px auto; padding:20px; background-color:white; } .theNote .header { border-bottom: 1px dashed #C8C8C8; font-size: 17px; padding: 0 0 10px; line-height: 19px; color: #00ADE1; min-width:500px; } .theNote .body { font-size: 14px; line-height: 19px; padding: 10px 0; } .theNote{ padding:6px 0; clear:both; background-color: rgb(200,200,200); } .theNote h3{ color: rgb(100,100,100); } .theNote h1, .theNote h3{ background-color:white; padding:2px 20px; width:8.0in !important; margin: 0 auto; font-size: 15px; } .theNote h1{ padding-top: 10px; font-size: 15px; } .theNote h1:first-child{ font-size: 20px; } .theNote h3 { font-size: 14px; font-weight: normal; } #options { border: 3px double #ccc; padding: 5px 12px; margin: 10px 50px 10px 20px; float: left; } #info { border-top: 1px solid #ccc; padding-top: 5px; font-style: italic; } li { margin: 5px 10px 5px 25px; } ul li { list-style: disc; } ol li { list-style: decimal; } img { border: 0; } table { clear: both; width: 100%; border: 1px solid #c5c5c5; border-width: 1px 0; margin: 0; page-break-after: always; } table#page { page-break-after: auto; } td { text-align: center; font-size: 12px; border-bottom: 1px dashed #c5c5c5; height: 1.75in; width: 50%; padding-left: 15px; } .leftside { border-right: 1px solid #cccccc; padding: 0 15px 0 0; } .bottom td { border-bottom: none; } .clearfix { clear:both; line-height:1px; height:1px; } img { max-width:80%; max-height:150px; margin:20px; } @media print {.header { display: none; } .content .header{ display:inherit; } table { border: 1px dashed #bbb; border-width: 1px 0; } .theNote{ background-color:white; } } Chapter 3 The Nervous System Peripheral Nervous System Somatic Nervous System voluntary movements Autonomic Nervous System -involuntary movement (breathing, digestion) Sympathetic fight/flight, emergency system, alerts us Parasympathetic keeping us at rest/balance, quiet down Central Nervous System (brain and spinal cord) the neuron: cell is at rest (neg. charge) when first --> positive charge info comes in through the dendrites -reaches action potential neuron communicates through chemical info through a xon ( a way) axon coated with myelin sheath (nutrients) myelinization = process of making myelin helps process info so info can't leak out -the thicker, the better end of axon = terminal button/vessel synapses = space between neuron and receiving neuron (receptor site) neurotransmitters excitatory (increase action potential/firing) inhibitory (inhibit firing/decrease likelihood of firing) 60+ neurotransmitters, each in charge of a function dopamine, seratonin (mood, pain, depression), endorphins (make you happy) cerebral cortex surrounds the brain sight of all sensations and info corpus callosum -where info passes between lobes olfactory -sense of smell pituitary gland = master gland of endocrine system pons -sleep and arousal medulla -regulating unconscious function hippocampus and amygdala -emotions cerebellum -controls balance 3 kinds of neurons sensory neurons ( afferent) -transmit info from hippocampus into body to CNS motor neurons ( efferent) -transmit info from brain and spinal cord to the muscles and glands MOVEMENT interneurons -connect sensory and motor neurons. carry messages between the two. 2 hemispheres of the brain (split brain theory - anatomically looks the same, but functions are different ) Left brain -executive functions thinking, reasoning, language skills, analyzing, numbers, linear, organized, detailed, specific, sequential info Right Brain spatial integration (geometry, tetris etc.), imagination, music, intuition process info in holistic way 4 Lobes frontal language, reasoning, movement, ability to make judgements, inhibits what we say parietal switchboard, emotional info, somatosensory temporal auditory, Wernickes area (receive language) Broca's area = language expression and production occipital in back, vision association