More excitatory signals above the threshold for activation will not affect the intensity of na action potential because the neurons reaction is an
All or non response
Auditory hallucinations experienced by people with schizophrenia are linked to the activation of areas in which brain area?
Temporal Lobes
For you to be able to walk, ___ must relay messages from your central nervous system to your leg muscles
Motor neurons
The ability to draw different figures with the right and left hands is a characteristic are in those whose ____ has been cut
Corpus callosum
If a drug mimics an endorphins euphoric effect, what kind of molecule are these drugs?
Agonists
Molecules similar to a neurotransmitter to bind its receptor sites on a dendrite and block the effects are called what?
Antagonists
Adding a series of 3 digit numbers causes a person to have increased brain waves and blood flow to which brain structure?
Left hemisphere
Gland that regulates body growth
Pituitary
Brain structure that receives information from all the senses except smell
Thalamus
Located exclusively within the brain and spinal cord
Interneurons
You broke your finger… ______ must relay messages from your finger to your central nervous system.
Sensory neurons
Psychoactive drugs interfere with normal neural transmission. Where does this interference take place?
Synapse
To identify which specific brain areas are most active during a particular mental task, researchers would be most likely to make use of a(n)
FMRI
The tremors of Parkinson's disease result from the death of nerve cells that produce the neurotransmitter
Dopamine
The medulla is in control of ___
Breathing
The cerebellum is in control of ___
Walking
Prozac, a drug commonly prescribed to treat depression, prevents the sending neuron from taking in excess serotonin. Which process does this drug prevent from taking place?
Reuptake
New memories
Hippocampus
Under supply of serotonin is linked to
Depression
reabsorption of excess neurotransmitter molecules by a sending neuron
Reuptake
After Kathy’s serious motorcycle accident, doctors detected damage to his cerebellum. Kathy is most likely to have difficulty
Playing piano
Responsible for basic impulses, such as greed
Id
Responsible for the realistic decisions
Ego
Responsible for higher standards
Superego