AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

Chapter 2 (Hockenbury & Hockenbury) Flashcards

Vocabulary words.

Terms : Hide Images
4928086086Biological Psychology (biopsychology or psychobiology.)Specialized branch of psychology that studies the relationship between behavior and bodily processes and systems.0
4928086087NeuroscienceThe study of the nervous system, especially the brain.1
4928086088NeuronHighly specialized cell that communicates information in electrical and chemical form.2
4928086089Glial CellSupport cells that assist neurons by providing structural support, nutrition, and removal of cell wastes; manufacture myelin.3
4928086090Sensory NeuronType of neuron that conveys information to the brain form specialized receptor cells in sense organs and internal organs.4
4928086091Motor NeuronType of neuron that signals muscles to relax or contract.5
4928086092Interneuron NeuronType of neuron that communicates information from one neuron to the next6
4928086093Cell Body (soma)Processes nutrients and provides energy for the neuron to function.7
4928086094DendritesMultiple short fibers that extend form the neuron's cell body and receive information from other neurons or from sensory receptor cells.8
4928086095AxonThe long, fluid-filled tube that carries a neuron's messages to other body areas.9
4928086096Myelin SheathA white, fatty covering wrapped around the axons of some neurons that increases their communication speed.10
4928086097Action PotentialA brief electrical impulse by which information is transmitted along the axon of a neuron.11
4928086098Stimulus ThresholdThe minimum level of stimulation required to activate a particular neuron.12
4928086099Resting PotentialState in which a neuron is prepared to activate and communicate its message if it receives sufficient stimulation.13
4928086100all-or-none lawthe principle that either a neuron is sufficiently stimulated and an action potential occurs or a neuron is not sufficiently stimulated and an action potential does not occur.14
4928086101SynapseThe point of communication between two neurons.15
4928086102Synaptic GapThe tiny space between the axon terminal of one neuron and the dendrite of an adjoining neuron.16
4928086103Axon TerminalBranches at the end of the axon that contain tiny pouches, or sacs.17
4928086104Synaptic VesiclesTiny pouches or sacs in the axon terminals that contain chemicals called neurotransmitters.18
4928086105NeurotransmittersChemical messengers manufactured by a neuron.19
4928086106Synaptic TransmissionThe process through which neurotransmitters are released by one neuron, across the synaptic gap, and affect adjoining neurons.20
4928086107ReuptakeThe process by which neurotransmitter molecules detach from a postsynaptic neuron and are reabsorbed by a presynaptic neuron so they can be recycled and used again.21
4928086108AcetylcholineNeurotransmitter that causes muscle contraction and is involved in memory function.22
4928086109DopamineNeurotransmitter involved in the regulation of bodily movement, thought processes, and rewarding sensations.23
4928086110SerotoninNeurotransmitter involved in sleep and emotions.24
4928086111NorepinephrineNeurotransmitter involved in learning memory, and also a hormone manufactured by adrenal glands.25
4928086112GABA (gamma-aminobutyric acid)Neurotransmitter that usually communicates an inhibitory message.26
4928086113EndorphinsNeurotransmitters that regulate pain perceptions.27
4928086114Nervous SystemThe primary internal communication network of the body; divided into the central nervous system and the peripheral nervous system28
4928086115NervesBundles of neuron axons that carry information in the peripheral nervous system.29
4928086116Central nervous systemDivision of the nervous system that consists of the brain and spinal cord.30
4928086117Spinal ReflexesSimple, automatic behaviors that are processed in the spinal cord.31
4928086118Peripheral nervous systemDivision of the nervous system that includes all the nerves lying outside the central nervous system.32
4928086119Somatic nervous systemSubdivision of the peripheral nervous system that communicates sensory information to the central nervous system and carries motor messages from the central nervous system to the muscles.33
4928086120Autonomic nervous systemSubdivision of the peripheral nervous system that regulates involuntary functions.34
4928086121Sympathetic nervous systemBranch of the autonomic nervous system that produces rapid physical arousal in response to perceived emergencies or threats.35
4928086122Parasympathetic nervous systemBranch of the autonomic nervous system that maintains normal bodily functions and conserves the body's physical resources.36
4928086123PlasticityThe brain's ability to take over the function and structure on an adjacent damaged area37
4928086124Functional plasticityThe brain's ability to shift functions from damaged to undamaged brain areas.38
4928086125Structural plasticityThe brain's ability to change it's physical structure in response to learning, active practice, or environmental influences.39
4928086126neurogenesisThe development of new neurons.40
4928086127BrainstemA region of the brain made up of the hindbrain and the midbrain41
4928086128HindbrainA region at the base of the brain that contains several structures that regulate basic life functions. Connects the spinal cord with the rest of the brain.42
4928086129Contralateral organizationSensory information coming in from one side of the body crosses over at the hindbrain level, projecting to the opposite side of the brain. And outgoing motor messages form one side of the brain also cross over at the hindbrain level, controlling movement and other motor functions on the opposite side of the body.43
4928086130MedullaA hindbrain structure that controls vital life functions such as breathing and circulation.44
4928086131PonsA hindbrain structure that connects the medulla to the two sides of the cerebellum; helps coordinate and integrate movements on each side of the body. Helps coordinate movements on left and right sides of body.45
4928086132CerebellumA large, two-sided hindbrain structure at the back of the brain; responsible for muscle coordination and maintaining posture and equilibrium.46
4928086133Reticular formationA network of nerve fibers located in the center of the medulla that helps regulate attention, arousal, and sleep.47
4928086134MidbrainThe middle and smallest brain region, involved in processing auditory and visual sensory information.48
4928086135Substantial nigraAn area of the midbrain that is involved in motor control and contains a large concentration of dopamine-producing neurons49
4928086136ForebrainThe largest and most complex brain region, which contains centers for complex behaviors and mental processes. Includes cerebral cortex and the limbic system structures.50
4928086137Cerebral CortexThe wrinkled outer portion of the forebrain, which contains the most sophisticated brain centers. divided in two cerebral hemispheres.51
4928086138Cerebral HemispheresThe nearly symmetrical left and right halves of the cerebral cortex.52
4928086139Corpus callosumA thick band of axons that connects the two cerebral hemispheres and acts as a communication link between them.53
4928086140Temporal lobeAn area on each hemisphere of the cerebral cortex near the temples that is the primary receiving area for auditory information.54
4928086141Occipital lobeAn area at the back of each cerebral hemisphere that is the primary receiving area for visual information.55
4928086142Parietal lobeAn area on each hemisphere of the cerebral cortex located above the temporal lobe that processes somatic sensations ( touch, temperature, pressure, etc)56
4928086143Frontal lobeThe largest lobe of each cerebral hemisphere; processes voluntary muscle movements and is involved in thinking, planning, and emotional control.57
4928086144Primary motor cortexOn frontal lobe controls voluntary movements58
4928086145Somotosensory cortexOn parietal lobe receives information about body sensations.59
4928086146Primary auditory cortexOn temporal lobe processes auditory information60
4928086147Primary visual cortexOn occipital lobe processes visual information61
4928086148Limbic SystemA group of forebrain structures that form a border around the brainstem and are involved in emotion, motivation, learning, and memory.62
4928086149HippocampusA curved forebrain structure that is part of the limbic system and is involved in learning and forming new memories.63
4928086150ThalamusA forebrain structure that processes sensory information for all senses, except smell, and relays it to the cerebral cortex.64
4928086151HypothalamusA peanut-sized forbrain structure that is part of the limbic system and regulates behaviors related to survival, such as eating, drinking, and sexual activity.65
4928086152AmygdalaAlmond-shaped cluster of neurons in the brain's temporal lobe, involved in memory and emotional responses, especially fear.66
4928086153Pierre Paul BrocaEvidence for the localization of speech. He discovered solid evidence for the localization of language functions in the human brain. Lower left frontal lobe67
4928086154Karl WernickeEvidence for the localization of language comprehension. left temporal lobe.68
4928086155Lateralization of functionThe notion that specific psychological or cognitive functions are processed primarily on one side of the brain.69
4928086156AphasiaThe partial or complete inability to articulate ideas or understand spoken or written language because of brain injury or damage.70
4928086157Split-brain OperationA surgical procedure that involves cutting the corpus callosum. Use to stop or reduce recurring seizures in severe cases of epilepsy that can't be treated in any other fashion.71
4928086158control of simple and complex responses decision making processing of sensory info providing spice of emotions taking into account the push-pull of motivations creativity memory implicated when things go wrongNervous system is responsible for...72
4928086159dendrites and cell bodywhere are input areas of a neuron?73
4928086160axon and teleodendria (axon terminal)where are the output areas of a neuron?74
4928086161oligodendrogliaform the myelin in the CNS (white matter) myelin sheath75
4928086162astrocytesnutritive support, help protect from toxins in blood and make connections between neuron and blood vessels76
4928086163microgliasmall, mobile, scarf up debris, dead cells77
4928086164broca's area (left frontal lobe)brain controls articulation of speech78
4928086165Wernicke's area (left Parietal Lobe)important for understanding speech and thoughts together into speech79
4928086166left parietal lobewhat part of the brain helps with reading80
4928086167left parietal lobewhat part of the brain helps with writing81
4928086168right sidewhat side of the brain helps with object recognition82
4928086169right bottom temporal areafacial recognition83
4928086170reflex archow is a neural circuit put together (wiring)84
4928086171agonistdrug or other chemical substance that binds to a receptor site and triggers a response in the cell85
4928086172antagonistdrug or other chemical substance that blocks a receptor site and inhibits or prevents a response in the receiving cell86
4928086173endocrine systemsystem of glands located throughout the body that secrete hormones into the bloodstream87
4928086174hormoneschemical messengers secreted into the bloodstream primarily by endocrine glands88
4928086175pituitary glandendocrine gland attached to the base of the brain that secretes hormones that affect the function of other glands as well as hormones that act directly on physical processes89
4928086176adrenal glandspair of endocrine glands that are involved in the human stress responses90
4928086177adrenal cortexouter portion of the adrenal glands91
4928086178adrenal medullainner portion of the adrenal glands; secretes epinephrine and norepinephrine92
4928086179gonadsglands that secrete hormones that regulate sexual characteristics and reproductive processes93
4928086180phrenologypseudo scientific theory of the brain that claimed that personality characteristics, moral character, and intelligence could be determined by examining the bump's on a person's skull94
4928086181cortical localizationnotion that different functions are located or localized in different areas of the brain95
4928086182hypothalamusmaster endocrine gland96

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!