Term
EEG - Electroencephalogram |
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Definition
A recording of the waves of electrical activity that sweep across the brains surface. Measured by electrodes placed on the scalp. |
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PET scan - Positron Emission Tomography |
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Definition
A visual scan of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task. |
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MRI - Magnetic Resonance Imaging |
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A technique that uses magnetic fields and radio waves to produce computer generated images that distinguish amon different types of soft tissue; allow us to see structure within the brain. |
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The control for heartbeat and breathing? |
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Neurons that carry incoming information from the sense receptors to the central nervous system. |
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Central nervous system neurons that internally communicate and intervene between sensory input and motor outputs. |
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Neurons that carry outgoing information from the central nervous system to the muscles and glands. |
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The division of the peripheral nervous system that controls the bodies skeletal muscles. |
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The part of the peripheral nervous system that controls the glands and the muscles of the internal organs. Its sympathetic division arouses; its parasympathetic division calms. |
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The division of the autonomic nervous system that arouses the body, mobilizing its energy in s tressful situations. |
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Definition
Sympathetic nervous system |
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The division fo the autonomic nervous system that calms the body, conserving its energy. |
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Definition
Parasympathetic nervous system |
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Term
Psychology pertaining to how we view and effect one another. |
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Study of the links between the brain and the mind. |
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Study and advice on behaviour in the workplace. |
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Definition
Industrial/orginizational psychology |
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The study of our changing abilities from the 'womb to the tomb'. |
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Experiementing with how we think, perceive, and solve problems. |
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Investigation of persistant personality traits. |
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Chemical messengers that traverse the synaptic gap between neurons; are released by sender neurons. Bind to the recepetor sites and influence whether or not neurons will generate a neural impulse. |
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The brain and the spinal cord form this system. |
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Definition
Central Nervous System (CRS) |
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Neurons communicating with other neurons form the primary information system, otherwise known as the? |
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What links the CRS with the bodies sense receptors, muscles and glands? |
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Definition
Peripheral Nervous System (PNS) |
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Chemical messengers, mostly those manufactured by the endocrine glands, that are produced in one tissue and affect another. |
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A nerve cell; the basic building block of the nervous system. |
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The bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body. |
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The extension of a neuron, ending in the branching terminal fibers, through which messages pass to toher neurons ro to muscles or glands. |
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The level of stimulation required to trigger a neural impulse. |
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Definition
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The junction between the axon tip and of the sending neuron and the dendrite or cell body of the receiving neuron. The tiny gap at this junction is called the synaptic gap or cleft. |
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Natural opiates released in resonse to pain or vigorous exercise. |
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Two sections of the nervous systems: |
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Definition
Central Nervous System Peripheral Nervous System |
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Two sections of the Autonomic: |
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Definition
Sympathetic Parasympathetic |
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Definition
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Controls the movements of our muscular system: |
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Definition
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Controls the glands and muscles of our internal organs: |
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Arouses you for defensive action: |
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Definition
Sympathetic nervous system |
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Conserves energy by calming you and decreasing heartbeat, lowering blood sugar, etc. |
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A set of glands that secrete hormones into the bloodstream. |
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The endocrine systems most influential gland: |
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Biochemical units of heredity that make up the chromosomes |
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Threadlike structures made of DNA particles that contain genes |
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The sex chromosomes found in both men and women. Females = 2 Males = 1 |
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The sex chromosome found only in men. X + Y = male |
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The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. |
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The process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. |
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The minimum stimulation needed to detect a particular stimulus 50% of the time. |
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Below ones absolute threshold for consious awareness: |
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Our diminishing sensitivity to an unchanging stimulus: |
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24 hour cycle of day and night through a biological clock: |
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Bursts of rapid, rhythmic brain-wave activity: |
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Transitional stage into the deep sleep stage; delta waves begin: |
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Waves common to stages 1 & 2: |
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Two stages combined that equal slow-wave sleep: |
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Half of sleep is spent in stages: |
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Paradoxical sleep - the body is internally aroused but externally calm. |
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Term
Night terrors occur most commonly: |
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Definition
During the first few hours of stage 4 |
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20 - 25% of sleep is typically: |
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The sleep cylce repeats every ___ min. |
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A relatively permanent change in an organism's behavior due to experience. |
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The presence of something |
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An unlearned response to a stimulii |
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Definition
Undconditioned response (UCR) |
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Term
A learned response to a stimulii |
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Definition
Conditional response (CR) |
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Term
The reappearance of a conditioned response after a rest pause: |
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