Psych Test

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Terms in this set (42)
interneuronsin spinal cord and brain where the signal is processedEEGlooks at the function of the brain -measures electrical activity of neurons and shows brain wave patterns of electrical activityhuman functionbiological and psychological; very intertwinedPET scanlooks at the function of the brain -injection of harmless radioactive material in the bloodstream -indicates areas of the brain active during cognitive tasks by tracking specific structures using material as fuelfMRI scanlooks at the structure and function of the brain -uses magnetic fields to create pictures of the brain -tracks real time brain activity -measures blood flowMRI scanlooks at the structure of the brain -uses strong magnetic fields causing molecules to vibrate and produce imagesamygdalaneural clusters linked to emotion; no fear without itpituitary glandsecretes many different hormones, some of which affect other glandscorpus callosumconnects the left and right hemispheres of the braintemporal lobeabove the ears; hearing, memory and understandingautonomic nervous systemcontrols involuntary muscles -self regulating breaks down into the sympathetic and parasympathetic nervous systemsoccipital lobeback of the brain and helps with visual processing and mappinglimbic systememotional center of the brain containing the hypothalamus, hippocampus, and amygdalaAcytocholine (ACh)muscle movement, learning, and memory malfunctions: too little can result in Alzheimer´s Disease, some neurons deteriorateendocrine systemsending information to and from the brain through hormones by the bloodstreamserotoninhunger, sleep, mood malfunctions: low mood/depression; low quality sleepbrainstemthe oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skullmotor neuroncarry messages from the brain to the body efferent: exits the brainperipheral nervous systemthe sensory and motor neurons that connect the central nervous system to the rest of the body broken up into the somatic and autonomic nervous systemsmedullabreathing and heartbeatneurotransmitterchemicals released by/in neurons -fit into proper fitting receptor sites on the next dendritethalamuswhat you see, taste, feel, hear (all goes here first)parasympathetic nervous systembrings you back down; calming; rest and digestparietal lobeon top of the head; pain and pressure receptors; helps process sensory informationhypothalamus-regulates hunger, thirst, fight or flight, reaction to stress and body temperature -role in pleasure and emotion -helps with growth and development directed by the pituitary gland bodily homeostasiscentral nervous systemincludes the brain and spinal cord functions: body´s decision maker -sends and recieves messages governing reflexessympathetic nervous systemmobilizes energy; fight or flight (excelerates heart rate)reticular formationa nerve network in the brainstem that plays an important role in controlling arousaldendritesBranchlike parts of a neuron that are specialized to receive information.endorphins"morphine within"--natural, opiatelike neurotransmitters linked to pain control and to pleasure.myelin sheathcovers axon and some neurons; helps speed neural impulseshormoneschemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues