Bushy branching extension of a neuron that recieves messages and conducts impulses TOWARD the cell body
What is a dendrite
100
Condition where a person will have impaired use of language
What is aphasia
100
True or False:
Increasing the stimulus will NOT increase action potential intensity
What is true
100
Automatic response to a stimuli
What is a reflex
100
The brain's sensory switch board that recieves information from all the senses except smelll and routes it to the brain regions that deal with seeing, hearing, tasting, and touching
What is the thalamus
200
Brief electrical charge that travels down an axon
What is an action potential
200
What type of brain scan measures how much of a certain chemical defferent parts of the brain are using
What is PET scan
200
Name for a signal that accelerates a neural signal
What is excitatory
200
Part of the Peripheral nervous system that controls concious movement
What is the somatic nervous system
200
Cells in the nervous system that support, nourish and protect neurons
What are glial cells
300
Learning occurs as experience strengthens certian connections in these groups
What are neural networks
300
If the __________ is damaged, then a person will probally loose the ability to comprehend language
What is the Wernicke's area
300
The positively charged ion on the outside of the neuron while at rest
What is sodium
300
Chemical messages that are produced in one tissue and affect another
What are hormones
300
What is the area in the limbic system that is being affected if a cat were to have its back arched and fur fluffed, ready to attack
What is the amygdala.
Amygdala deals with aggression and fear
400
If a person has a deficit of acetycholine, then this may occur
What is Alzheimers
400
Areas in the brain that are not primarily concerned with sensory, motor, or language functions
What are association areas
400
Time where the neuron cannot fire because sodim is being pumped back outside the neuron
What is refractory period
400
Unlike neural messages, the effects of hormones last longer. Name two things that hormones affect.
What is growth, reproduction, metabolism, or mood
400
If part of a child's brain is destroyed, the brain is still able to function by compensating and putting other surplus areas to work. This demonstates the brain's _________
What is plasticity
500
Carol is a student that uses meth almost every night, later in life, due to the excess of dopamine, he may suffer from __________
What is schizophrenia
500
John suffers from major drug abuse. If it is believed that the cause of his addiciton is caused by a genetically disposed deficiency in the natural brain systems for pleasure, and therefore he craves whatever provides him that pleasure, then John suffers from __________
What is reward deficiency syndrome
500
___________ occurs as the action potential travels down the axon
What is repolarization
500
What division of the autonomic nervous system is activated if the pupils contract, heartbeat slows, digestion is stimulated and the bladder contracts
What is the parasympathetic nervous system
500
If a red light were to be flashed to the left hemisphere of a split brain patient and a green light to the right hemisphere, what color would the person verbally report seeing and why
What is red because the left hemisphere controls speech