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Brain Functions-1

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6676749medulla oblongataregulates heart rhythm, blood flow, breathing rate, digestion, vomiting
6676750ponsincludes portion of the reticular activating system or reticular formation critical for arousal and wakefullness; sends information to and from medulla, cerebellum, and cerebral cortex
6676751cerebellumcontrols posture, equilibrium, and movement
6676752thalamusrelays visual, auditory, taste, somatosensory information to/from appropriate areas of cerebral cortex
6676753hypothalamuscontrols feeding behavior, drinking behavior, body temperature, sexual behavior, tghreshold for rage behavior, activation of the sympathetic and parasympathetic systems, and secretion of hormones of the pituitary
6676754amygdalainfluences emotions such as aggression, fear, and self-protective behaviors
6676755hippocampusenables formation of new long-term memories
6676756cerebral cortexcenter for higher order processes such as thinking, planning, judgement; receives and processes sensory information and directs movement
6676757association areasareas of the cerebral cortex that do not have any specific sensory or motor functions, but are involved in higher mental functions such as thinking, planning, communicating
6676784occipital lobesprimary area for processing visual informaiton
6676785parietal lobesfront strip is somatosensory cortex that processes sensory information including touch, temperature, and pain from body parts; association area perceive objects
6676786frontal lobesinterpret and control emotional behaviors, make decisions, carry out plans
6676787Broca's arealocated in left frontal lobe, controls production of speech
6676788Temporal lobesprimary area of hearing, understnding language (Wernicke's area) understanidng music/tonality, processing smell
6676789Wernicke's arealocated in left temporal lobe, plays role in understanding language and making meaningful sentences.
6681986aphasiaimpairment of the ability to understand or use language
6681987glial cellssupportive cells of the nervous system that guide the growth of developing neurons, help provide nutrition for and get ride of wastes of neurons, and form an insulating sheath around neurons that speeds conduction.
6681988neuronthe basic unit of structure and function of your nervous system. Perform 3 major functions: receive information, process it, and transmit it to the rest of your body
6681989cell bodyalso called cyton or soma; the part of the neuron that contains cytoplasm and the nucleus, which directs the synthesis of substances such as transmitters
6681990dendritesbranching tubular processes of neurons that have receptor sites for receiving information
6681991axona long, single conducting fiber extending from the cell body of a neuron that transmits an action potential and that brances and ends in tips called terminal buttons which secrete neurotransmitters
6681992myelin sheatha fatty covering of the axon made by glial cells, which speeds up conduciton of the action potential
6681993terminal buttonstips at the end of axons that secrete neurotransmitters when stimulated by the aciton potential
6681994neurotransmitterschemical messengers released by the terminal buttons of the presynaptic neuron into the synapse
6681995Acetylcholine (ACh)a neurotransmitter that causes contraction of skeletal muscles, helps regulate heart muscles, is involved in memory and also transmits messages between the brain and spinal cord
6681996Dopaminea neurotransmitter that stimulates the hypothalamus to synthesize hormones and affects alertness, attention, and movement (lack of is associated with Parkinson's disease; too much=schizophrenia)
6681997Serotonina neurotransmitter associated with arousal, sleep, appetite, moods, and emotions. Lack=depression
6681998Endorphinsa neurotransmitter similar to the opiate morphine that relieves pain and may induce feelings of pleasure
6681999Gamma-aminoubutyric acid (GABA)a neurotransmitter that inhibits firing of postsynaptic neurons (Huntington's disease/ seizures)

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