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Chapter 2 A.P. Psych

QuestionAnswer
Neuron A nerve cell;it's also known as the building block
Biological Psychology It is a type of psychology branch that is involved with the connections between biology and behavior.
Dendrite The bushy fibers(neurons) receive information and controls the impulses.
Axon These fibers transferred the information to other neurons, muscles, and glands.
Myelin Sheath It is a layer of fatty tissue that protects the neurons and helps speed their impulses.
Action potential A neural impulse that is made by the movement of positively charged atoms in and out of the passages in the axon's membrane.
Threshold The level of stimulation required to activate a neural impulse.
Synapse It is a link between the axon tip of the transmitting neuron and the dendrite.
Neurotransmitters When the action potential touches the terminals at an axon's side, it activates the release of chemical messengers.
Endorphins Natural opiates link to pain control and to pleasure.
Nervous System The neurons communicate with other neurons to form the body's information system
Central Nervous System The brain and the spinal cord form this type of system.
Peripheral Nervous System The central nervous system connects the body's sense receptors, muscles, and glands.
Sensory Neurons Neurons transport information from the sense receptors to the central nervous system.
Interneurons The central nervous system neurons exchange information and intercedes between the sensory inputs and motor outputs.
Motor Neurons The neurons transport information from the central nervous system to the muscles and glands.
Parasympathetic Nervous System This nervous system calms the body by decreasing the heartbeat, and lowering the blood sugar. It is conserving energy.
Sympathetic Nervous System The nervous system arouses the body and mobilizes its energy in stressful situations.
Medulla It is the fundamental part of the brainstem that controls the heartbeat and the breathing.
Electroencephalogram (EEG) An instrument that amplifies the recording of the waves of electrical brain activity. The waves are measured by electrodes that is located on the scalp.
CT (computed tomography) Scans the brain with an x-ray to reveal brain damage.
PET (position emission tomography) It displays a picture of the brain activity that shows the brain area's consumption of its chemical fuel (sugar glucose).
MRI (magnetic resonance imaging) A machine that uses magnetic fields and radio waves to produce images of different types of tissues of the brain.
Reticular Formation In the brainstem, the nerve network controls the arousal.
Thalamus The brain's sensory switchboard is located on the top of the brainstem. It receives information from all kinds of senses except smell.
Hypothalamus The structure is located below the thalamus. It takes control of the endocrine system and it's connected to emotion.
Cerebellum It is attached to the back of the brainstem and it helps coordinate voluntary movement and balance.
Limbic System This structure forms a curricular shape of a neural system that is between the brain's older parts and its cerebral hemispheres. It is associated with emotions such as fear and anger.
Cerebral Cortex A thin surface layer on the cerebral hemisphere which it's the body's control and information-processing center.
Frontal Lobes Front of your brain; behind your forehead. This involves in speaking, muscle movements, and in making judgments and plans.
Parietal Lobes At the top and to the back of the brain that includes the sensory cortex.
Occipital Lobes It is located at the back of your head that includes the visual areas, which receive visual information from the opposite visual field.
Temporal Lobes It is located above your ears. (auditory areas that receives information primarily from the opposite ear)
Plasticity The brain's capacity for modifying and reorganizing the damage and in experiments on the effects of experience on brain development.
Endocrine System The glands in the body secrete hormones into the bloodstream.
Hormones They are produced in one tissue which it affects the other tissues throughout the bloodstream in the body.
Adrenal Glands Secretes the hormones epinephrine (adrenaline) and nonerpinephrine (noradrenaline)to arouse the body. These glands are right above the kidneys.
Pituitary Glands Regulates growth and controls other endocrine glands.
Created by: animalluver2
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