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Ap Psychology Unit 3 Flashcards

Advanced Placement Psychology All terms from Myers

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6580710895Cerebral Cortexthe intricate fabric of interconnected neural cells that covers the cerebral hemispheres; the body's ultimate control and information processing center.0
6580710896Glial Cellscells in the nervous system that support, nourish, and protect neurons; may play a role in learning and thinking.1
6580710897Frontal Lobesthe portion of the cerebral cortex lying just be the forehead; involved in speaking and muscle movements and in making plans and judgments.2
6580710898Parietal Lobesthe portion of the cerebral cortex lying at the top the head and towards the rear; receives sensory input for touch and body position.3
6580710899Occipital Lobesthe portion of the cerebral cortex lying at the back of head; includes the visual areas, which receive visual information from the opposite visual field.4
6580710900Temporal Lobesthe portion of the cerebral cortex lying roughly between the ears; includes the auditory areas, each of which receives auditory information primarily from the opposite ear.5
6580710901Motor Cortexan area at the rear of the frontal lobes that controls voluntary movements6
6580710902Sensory Cortexthe area at the front of the parietal lobes that registers and processes body touch and movement sensations.7
6580710903Association Areasareas of the cerebral cortex that are not involved in primary motor or sensory functions; rather, they are involved in higher mental functions such as learning, remember thinking, and speaking.8
6580710905Broca's Areacontrol's language expression - an area of the frontal lobe, usually in the left hemisphere, that directs the muscle movements involved in speech.9
6580710906Wernicke's Areacontrols language reception - a brain area involved in language comprehension and expression, usually in the left temporal lobe.10
6580710908Plasticitythe brain's capacity for modification, as evident in brain reorganization following damage (especially in children) and in experiments on the effects of experience on brain development.11
6580710909Brainstemthe oldest part and central core of the brain, beginning where the spinal cord swells as it ens the skull; responsible for automatic survival functions.12
6580710910Medullathe base of the brainstem; controls heartbeat and breathing.13
6580710911Reticular Formationbetween your ears; a finger-shaped network of neurons from the spinal cord to the thalamus; plays an important role in controlling arousal and filtering incoming stimuli.14
6580710912Thalamusthe brain's sensory switchboard, located on top of the brainstem; it conducts messages to the sensory receiving areas in cortortex and transmits replies to the cerebellum and medulla; deals with all senses except smell.15
6580710913Cerebellum"little brain, attached to the rear of the brainstem; its functions include processing sensory input and coordinating movement output and balance; helps us judge time, modulate emotions, and discriminate sounds and textures.16
6580710914Limbic Systema donut-shaped system of neural structures at the border of the brainstem and cerebral hemispheres; associated with emotions such as fear and aggression and drives such as those for food and sex; includes the hippocampus, amygdala, and hypothalamus.17
6580710915Amygdalatwo lima bean-sized neural clusters that are components of the limbic system and are linked to aggression and fear.18
6580710916Hypothalamuspart of the limbic system; directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion; it is the reward center in many species' brains.19
6580710917Left Hemispherethe conscious mind; the 'interpreter' that tries to explain our behavior, and attempts to explain the decisions of the unconscious mind; calclation, speech etc; Controls Speech20
6580710918Right Hemispherethe unconscious mind; it runs our life (like an autopilot), and intuits things; involved with perceptual (brain waves, bloodflow, etc) tasks.21
6580710919Corpus Callosumthe large band of neural fibers connecting two brain hemispheres and carrying messages between them.22
6580710920Split Braina condition in which the two hemispheres of the brain are isolated by cutting the connecting fibers (mainly of the corpus callosum) between them.23
6580710922Ponslocated just above the medulla; helps coordinate movement.24
6580710923Neurona nerve cell; the basic building block of the nervous system.25
6580710924Dendritethe bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body.26
6580710925Axonthe extension of a neuron, ending in branching terminal fibers, through which messages pass to other neurons or to muscles or glands.27
6580710926Myelin Sheatha layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next.28
6580710927Action Potentiala neural impulse; a brief electrical charge that travels down an axon29
6580710928Thresholdthe level of stimulation required to trigger a neural impulse.30
6580710929Synapsethe junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.31
6580710930Neurotransmitterschemical messengers that traverse the synaptic gaps between neurons; travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether the neuron will generate a neural impulse.32
6580710931Acetylcholinea neurotransmitter that enables learning and memory and also triggers muscle contraction; also regulates dreaming.33
6580710932Dopaminea neurotransmitter that influences movement, learning, attention, and emotion; excess linked to schizophrenia, a dearth linked to Parkinson's disease; part of pleasure/rewards system.34
6580710933Seretonina neurotransmitter that affects mood, hunger, sleep, and arousal; undersupply linked to depression.35
6580710934Norepinephrinea neurotransmitter/hormone that helps control alertness and arousal.36
6580710935Agonistsexcite neurons; may be similar enough to a neurotransmitter to mimic its effects, or it may block the reuptake.37
6580710936Antagonistsinhibit neurotransmitters' release; may be similar enough to a natural neurotransmitter to occupy its receptor site and block its effect, but not similar enough to stimulate the receptor.38
6580710937Nervous Systemthe body's speedy, electrochemical communication network, consisting of all of the nerve cells of the peripheral and central nervous systems.39
6580710938Central Nervous Systemthe brain and the spinal cord.40
6580710939Peripheral Nervous Systemthe sensory and motor neurons that connect the central nervous system to the rest of the body.41
6580710940Nervesneural "cables" containing many axons; these bundled axons, which are a part of the peripheral nervous system, connect the central nervous system with muscles, glands, and sense organs.42
6580710941Sensory Neuronneurons that carry incoming information from the sense receptors to the central nervous system43
6580710942Motor Neuronneurons that carry outgoing information from the central nervous system to the muscles and glands.44
6580710943Interneuroncentral nervous system neurons that internally communicate and intervene between the sensory inputs and motor outputs.45
6580710944Somatic Nervous Systemthe division of the peripheral nervous system that controls the body's skeletal muscles; also called the skeletal nervous system.46
6580710945Sympathetic Nervouse Systemthe division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations.47
6580710946Parasympathetic Nervous Systemthe division of the autonomic nervous system that calms the body, conserving its energy.48
6580710947Autonomic Nervous Systemthe part of the peripheral nervous system that controls the glands and the muscles of the internal organs (such as the heart).49
6580710949Neural Networkinterconnected neural cells. with experience, networks can learn, as feedback strengthens or inhibits connections that produce certain results.50
6580710950Endocrine Systemthe body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream.51
6580710951Hormonechemical messengers, mostly those manufactured by the endocrine glands that are produced in one tissue and affect another.52
6580710952Adrenal Glanda pair of endocrine glands just above the kidneys; they secrete hormones which help arouse the body in times of stress.53
6580710953Pituitary Glandthe endocrine system's most influential gland; under the influence of the hypothalamus, it regulates growth and controls other endocrine glands.54
6580710954Lesionnaturally or experimentally caused destruction of brain tissue.55
6580710955EEGan amplified recording of the waves of electrical activity that sweep across the brain's surface; these waves are measured by electrodes placed on the scalp.56
6580710956PET Scana visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task.57
6580710957MRIa technique that uses magnetic fields and radio waves to produce computer-generated images that distinguish among different types of soft tissue; allows us to see structures within the brain.58
6580710958fMRIa technique for revealing blood flow and, therefore, brain activity by comparing successive MRI scans; shows brain function.59
6580710961Synaptic Gapthe tiny gap between the dendrite and axon.60
6580710962Refractory Periodthe process in which excess neurotransmitters are reabsorbed by the sending neuron.61
6580710963Hippocampusa structure in the forebrain associated with the formation of new memories62
6580710968All-or-none Responsethe neuron will iether fire or not, depending on the stimulus63

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