Shared Flashcard Set

Details

Chapter 3
Brain, Body, and Behavior
43
Psychology
12th Grade
02/09/2010

Additional Psychology Flashcards

 


 

Cards

Term
fissure
Definition
a lengthy depression marking off an area of the brain
Term
hemisphere
Definition
one-half of the two halves of the brain; controls the opposite side of the body
Term
corpus callosum
Definition
a large bundle of nerve fibers that transfers information from one half of the brain to the other
Term
lobe
Definition
major division of the brain
Term
frontal lobe
Definition
division of the brain that contains the motor strip and frontal association area
Term
parietal lobe
Definition
area of the brain that contains the sensory strip
Term
motor strip
Definition
band running down the side of the frontal lobe that controls all bodily movements (called motor functions)
Term
sensory strip
Definition
band running down the side of the parietal lobe that registers and provides all sensation
Term
occipital lobe
Definition
area of the brain that interprets visual information
Term
temporal lobe
Definition
area of the brain responsible for hearing and some speech functions
Term
frontal association area
Definition
the forward of the brain that engages in elaborate associations or mental connections; it plays an important part in integrating personality and in forming complex thoughts
Term
dominance
Definition
either the right or left hemisphere is dominant in each individual; hence one of them is preferred and controls the majority of actions performed
Term
left hemisphere
Definition
speech, language, logic, writing, right hand
Term
right hemisphere
Definition
spatial reasoning, art, music, emotions, left hand
Term
cerebral cortex
Definition
the unit that covers the lower brain and controls mental processes such as thought
Term
lower brain
Definition
basic "animal" units common to animals and humans that regulate basic functions such as breathing
Term
thalamus
Definition
the portion of the lower brain that functions primarily as a central relay station for incoming and outgoing messages from the body to the brain and the brain to the body
Term
cerebellum
Definition
the portion of the lower brain that coordinates and organizes bodily movements for balance and accuracy
Term
hypothalamus
Definition
the portion of the lower brain that regulates basic needs (hunger, thrist) and emotions such as pleasure, fear, rage, and sexuality
Term
reticular activating system/reticular formation/RAS
Definition
the alertness control center of the brain that regulates the activity level of the body
Term
neuron
Definition
a nerve cell, which transmits electrical and chemical information (via neurotransmitters) throughout the body
Term
dendrite
Definition
the part of the nerve cell that receives information from the axons of other nerve cells
Term
axon
Definition
the part of the neuron that carries messages away from the nerve cells to the dendrites on another nerve cells
Term
synapse
Definition
the junction point of two or more neurons; a connection is made by neurotransmitters
Term
vesicles
Definition
bubble like containers of neurotransmitters, located at the end of an axon
Term
neurotransmitters
Definition
chemicals in the endings of nerve cells that send information across the synapse
Term
acetylcholine
Definition
neurotransmitter that regulates basic bodily processes such as movement
Term
dopamine
Definition
a neurotransmitter involved in the control of bodily movements
Term
endorphins
Definition
neurotransmitters that relieve pain and increase our sense of well-being
Term
spinal cord
Definition
the part of the body that functions as an automatic "brain" in its own right and is a relay station for impulses to and from the higher brain
Term
reflex
Definition
an automatic behavior of the body involving movement that is activated through the spinal cord without using the higher brain
Term
hormones
Definition
chemical regulators that control bodily processes such as emotional responses, growth, and sexuality
Term
glands
Definition
units of the body that contain the hormones
Term
endocrine system
Definition
the system of all the glands and their chemical messages taken together
Term
pituitary gland
Definition
the master gland of the body that activates other glands and controls the growth hormone
Term
growth hormone
Definition
the hormone controlled by the pituitary that regulates the growth process
Term
thyroid gland
Definition
the gland that controls and regulates the speed of bodily processes, called metabolism
Term
metabolism
Definition
the speed at which the body operates or the speed at which it uses up energy
Term
adrenal glands
Definition
the glands that cause excitement in order to prepare the body for an emergency or for some important activity
Term
adrenaline
Definition
the chemical that prepares the body for emergency activity by increasing blood pressure, breathing rate, and energy level
Term
gonads
Definition
the sex glands that make sperm or eggs for reproduction
Term
androgen
Definition
the male sex hormone
Term
estrogen
Definition
the female sex hormone
Supporting users have an ad free experience!