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Bio Psychology
- (BEHAVIOR &BIOLOGY)
- A branch of psych concerened w/ links b/w bio and behavior.
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Neuron
A nerve cell the basic building block of the nervous system
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Sensory Neuron (AFFERENT)
- (SRBSC)
- Neurons that carry outgoing information from the sensory receptors to the brain and spinal cord
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Motor Neuron (EFFERENT)
- (MOTOR MUSCLES & GLANDS)
- Neurons that carry outgoing information from the brain and spinal cord to the muscles and glands
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Interneurons
- (INTERNEURONS INTERNALLY INTERVENE SA/ME)
- Neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs
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Dendrite
The bushy branching extensions of a neuron that receive messages and conduct impulses toward the cell body
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Axon
The extension of a neuron ending branching terminal fibers through which messages pass to other neurons or to muscles or glands
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Myelin Sheath
- (SHEATHS COVER YOU)
- A layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses hops from one node to the next
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Threshold
The level of stimulation requires to trigger a neural impulse
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Synapse
The junction between the axon tip 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 synaptic cleft
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Neurotransmitters
Chemical messengers that cross the synaptic gaps between neurons. They travel across the synapse and bind to receptor sites on the reciving neuron, thereby influencing whether that neuron will generate a neural impulse
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Reuptake
- (REUPTAKE REABSORBS)
- A neurotransmitters reabsorption by the sending neuron
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Endorphins
Morphine within natural opiate like neurotransmitter’s linked to pain control and to pleasure
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Nervous system
- (NERVOUS MAKES ME A SPEEDY TALKER)
- the body’s speedy electrochemical communication net-work consisting of all the nerve cells of the peripheral and central nervous system
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Central nervous system
The brain and spinal cord
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Peripheral Nervous system
The sensory and motor neurons that connect the central nervous system to the rest of the body
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Nerves
Bundled axons that form neural cables connecting the central nervous system with muscles, glands and sense organs
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Somatic nervous system
The division of the peripheral nervous system that controls the body’s skeletal muscles also called the skeletal nervous system
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Autonomic nervous system
The part of the peripheral nervous system that controls the glands and the muscles of the internal organs such a as the heart its sympathetic division arouses its parasympathetic division calms
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Sympathetic nervous system
The division of the automatic nervous system that arouses the body mobilizing its energy in stressful situations
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Parasympathetic Nervous system
The division of the body conserving its energy
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Reflex
A simple automatic response to a sensory stimulus such as the knee jerk response
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Endocrine system
Thebody’s slow chemical commination system a set of glands that secrete hormonesinto the bloodstream
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Hormones
Chemical messengers that are manufactures by the endocrine glands travel through the bloodstream and affect other tissue
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Adrenal Glands
Pair of endocrine glands that sit just above the kidneys and secrete hormones that help arouse the body in times of stress
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Pituitary Glands
The endocrine systems most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands
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Lesion
Tissue destruction; a brain lesion is a natuarally or experimentally caused destruction of brain tissue
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EEG
Records waves of electrical activityt that sweep across the brains surface hese waves are measured by electrodes placed on the scalp
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CT
series of x-ray photos taken from different angles and comined by computer into a composite representation of a slice through the body
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PET
a visual display of brain activity that detects where a radioactive form of glucose goes while the brain preforms a given task
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MRI
a echnique that uses magnetic fields and radiowaves to produce computer genertated images of soft tissue
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Brainstem
- Central core of brain
- Responsible for automatic suurvival functions
- oldest region
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Medulla
- Base of brainstem
- controls heart breat & breathing
- Pons coordinate the movement
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Reticular formation
- Nerve metwork in brainstorm
- Conrtols arousal
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Thalmus
- Brains sensory switchboard
- Located at the top of the brainstem
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Cerebellum
- "little brain"
- Located at read of the brainstem
- Processes sensory input & coordinating movement, output, & balance
- (DAVID BECKHAM MAKING THE GOAL)
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limbic system
- located below the cerbral hemisphere
- assocated w/ emotions and drives
- Fear & anger
- Food & Sex
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Amygdala
- limabean shaped(2)
- linked to emotions
- (AMY IS AGGRESIVE)
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Hypothalmus
- Located below the thalmus
- eating, drinking, bad temp helps goven edrcine system via pituatiary gland is linked to emotion and reward
- (THALMUS GETS HY TO BE HAPPY)
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Cerebral Cortex
- The bodys ultimate control & INFO prosccesing center
- Perciveing, thinking, speaking
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Glial Cells
cell in nervous system that supports nourish & protects neurons
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Frontel Lobes
- Just behind the forhead
- speaking & muscle movement & in making plans & judgment
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Parietal Lobes
- located on top part of the head tword the rear
- recieves sensory input for touch & body post
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Occiptal Lobes
- lies in the back of head
- recieves INFO from visual areas
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Temporal Lobes
- lies above ears includes audiotry areas
- Recieves INFO from oppsite ears
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Motor Cortex
- Its in the rear of frontal lobes
- Controls voulantary movement
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Sensory Cortex
- Located in front of parietal Lobes
- Registers & proecesses bad touch & movement ssensation
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Association Areas
- areas of the cerebral cortex that are not involved in primary mator or sensory functions
- Remebering, thining, & speaking
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Aphasia
- imparment of language/ expression
- left frontal lobe
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Plasticity
Brains ability to change especially during childhood by recognizing after damage or by buliding new pathways based on experience
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NeuroGenesis
The formation of a new neuron that form everyday
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Corpus Collusm
The large nad of neural fibers connnecting the 2 brains hemisphere & carrying messages between them
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Split brain
condition after surgery isolates brains 2 hemispheres
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Cognitive Neuroscience
- interdisplinary study of the brain activity linked with cognition
- INCLUDING
- perception
- thinking
- memory
- language
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Dual processing
Information is often simaltaneaously processed on seperate concious & enconcious tracks
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LEFT BRAIN
- analytical
- logic
- language
- science
- math
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RIGHT BRAIN
- Holistic thought
- intuition
- creativity
- Art
- Music
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