1031651941 | neurons | cells in the nervous system that receive integrate and transmit information | |
1031651942 | soma | cell body of a neuron that contains the nucleus and chemical machinery common to most cells | |
1031651943 | dendrite | part of the neuron that receives information | |
1031651944 | axon | long thin fiber that transmits signals away from the soma to other neurons muscles or glands | |
1031651945 | myelin sheath | insulates the axons ensuring that the messages transmit at higher speeds, loss of the sheath is a loss of muscle control; babies or those with MS | |
1031651946 | terminal buttons | knobs that release chemicals called neurotransmitters | |
1031651947 | neurotransmitters | chemicals that activates neighboring neurons | |
1031651948 | synapse | junction when information is transmitted to and from neurons | |
1031651949 | gila | support for neurons like glue | |
1031651950 | resting potential | stable negative charge that a neuron is in when in active | |
1031651951 | action potential | when positive ions rush through the gate and the neuron is momentarily positively charged, how the neurons send a signal | |
1031651952 | absolute refectory period | the dip behind an action potential in which a another action potential can not happen thus keeping all action potentials going the same directions | |
1031651953 | synaptic cleft | gap between the terminal button and the cell membrane of another neuron | |
1031651954 | post synaptic potential | after a lot of synapses it creates a voltage change at the receptor at the post synaptic cell membrane | |
1031651955 | reuptake | the process of the neurotransmitters are sponged up by the presynaptic membrane | |
1031651956 | endorphins | internally produced chemical that resembles opiates in structure and effect | |
1031651957 | peripheral nervous system | nerves that lie outside the brain or spinal cord | |
1031651958 | nerves | bundle of axons that are routed together in the peripheral nervous system | |
1031651959 | somatic nervous system | connect voluntary skeletal muscles to sensory receptors | |
1031651960 | afferent nerve fiber | carry information into the central nervous system from the periphery body | |
1031651961 | efferent nerve fibers | axons that carry information from the central nervous system to the periphery body | |
1031651962 | autonomic nervous system | nerves that connect heart; blood vessels; smooth muscles and glads. | |
1031651963 | sympathetic division | fight or flight response, mobilizes the body's resources for emergencies | |
1031651964 | central nervous system | connects the brain to the spinal cord | |
1031651965 | spinal cord | connects the brain to the body through the peripheral system base of the brain to the middle of the waist | |
1031651966 | lesioning | destroying a piece of the brain, done to research the brain in animals | |
1031651967 | electric stimulation of the brain | sending a current through the brain to activate it | |
1031651968 | hindbarin | includes cerebellum and the brain stem [the medulla and the pons] | |
1031651969 | medulla | attaches the brain and spinal cord; controls breathing maintaining muscle tone and regulating circulation | |
1031651970 | pons | relays infro for RF and cerebellum | |
1031651971 | cerebellum | located in the back of the brain; coordination and balance | |
1031651972 | midbrain | segment of brain stem that lies between the hind brain and the forebrain; integrates sensory processes and control dopamine | |
1031651973 | reticular formation | flight mechanism; modulation of muscles reflexes breathing and pain receptors regulates sleep and arousal | |
1031651974 | fore brain | contains everything else! | |
1031651975 | cerebrum | complex thought | |
1031651976 | cerebral cortex | outer layer of the brain | |
1031651977 | thalamus | where all senses except smell are passed through to the cerebral cortex | |
1031651978 | hypothalamus | fighting, fleeing, feeding and sex | |
1031651979 | limbic system | emotion behavior motivation; hippocampus, amygdala, basal ganglia | |
1031651980 | hippocampus | responsible for memory consolidation of memory for factual information | |
1031651981 | amygdala | learning a fear response and basic emotion | |
1031651982 | cerebra hemispheres | right and left half of the brain | |
1031651983 | corpus callosum | what connects the 2 hemispheres | |
1031651984 | occipital lobe | located in the back used for sight | |
1031651985 | parietal lobe | in front of the occipital lobe used for touch | |
1031651986 | temporal lobe | below the parietal lobe used for auditory processing | |
1031651987 | frontal lobe | all the front of the brain responsible motor skills | |
1031651988 | mirror neurons | activated by performing or watching someone else perform an action | |
1031651989 | prefrontal cortex | possibly used for decision making | |
1031651990 | neurogenisis | the formation of neurons | |
1031651991 | endocrine system | secretes glands that secrete chemicals into the bloodstream that help control bodily functions | |
1031651992 | hormones | chemical substances released by the endocrine system | |
1031651993 | pituitary gland | releases hormones that stimulate the endocrine system "master gland" | |
1031651994 | oxytocin | regulates reproductive behavior | |
1031651995 | chromosomes | molecules that carry genetic information | |
1031651996 | genes | dna segments that code for hereditary transmission | |
1031651997 | polygenic traits | characteristics influenced by more than one pain of genes | |
1031651998 | family studies | the study to traits being passed down through generations | |
1031651999 | twin studies | Ve+Vg=Vp | |
1031652000 | adoption studies | what is inherited due to nurture | |
1031652001 | epigenetic | heritable changes in the gene expression that do not involve modifications to the dna sequence | |
1031672321 | basal ganglia | responsible for movement |
Psychology Themes and Variations 9e Chapter 3 Flashcards
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