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By: Karrin Carlson Motor Sensory Interneuron Input from sensory organs to brain & spinal cord Carry info. Between other neurons (only found in brain and spinal cord) Output from the brain & spinal cord to muscles & glands Functions Dopamine Influence: Movement, Learning, Attention, and Emotion Serotonin Affects: Mood Hunger, Sleep, and Arousal Norepinephrin GABA Helps control: Alertness and Arousal Inhibitory Neurotransmitter Glutamate Memory Surplus Deficit Parkinson's Disease Sleepy Depression Violence, Depression, and Anxiety Happiness Relaxation, loopyness Depression Seizures, Insomnia, and Anxiety Injures brain cells Causing MS Acetylcholine(ACh)Muscle Contraction paralysis, Convulsions, or Death Endorphins Released in response to: Pain and Exercise “Runner’s High” Happiness Memory impairment Alzheimer’s Emotional, Crying,Chronic pain Central nervous system(CNS) – Brain and Spinal cord Peripheral nervous system(PNS) – links CNS with body’s sense receptors, muscles and glands Left: Language Right: Math &Music Back of head, Optic nerve SIGHT Sides of head above ears, Auditory cortex HEARING –speech, facial, word recognition & memory formation Back top of head, hand-eye coordination, Front of head, working memory, motor cortex Brainstem: where spinal cord swells as it enters skull Medulla: base of brain stem, heartbeat & breathing Reticular Formation: between ears spinal cord to thalamus, arousal Thalamus: top of brainstem, sensory switchboardnot smell Cerebellum: back of brain, voluntary movement & balance Amygdala- almond shaped, aggression & fear Hypothalamus - bellow thalamus, eating drinking body temp. reward centers Pituitary gland – pea sized base of brain, controls endocrine system Hormones – chemical messengers, produced in one tissue and effect another Adrenal Gland – above kidneys, release epinephrine & norepinephrine is stressful situations Pituitary gland – pea sized base of brain, controls endocrine system CAT- X-ray scan, shows brain structure, cross-sectional views of all tissue PET- Cellular function of human body MRI- (magnetic resonance imaging) uses magnetic and radio waves no Radiation, Bones turn out dark all tissue showed, Brain and spinal cord