Neurons
The fatty covering around the axon that speeds neural impulses
What is the Myelin Sheath?
the brain and spinal cord
What are the parts of the Central Nervous System?
Main brain part for our memory. Memories are processed through this area before being sent to permanent storage
What is the hippocampus?
A person's 24 hour metabolic and behavioral cycle
What is the Circadian Rhythm?
The space between the terminal buttons of one neuron and the dendrites of another
What is a synapse?
The autonomic nervous system consists of the __________ and _________ nervous system.
parasympathetic and sympathetic
Controls blood pressure, heart rate, and breathing
What is the Medulla?
When someone stops breathing for short periods of time during their sleep
What is sleep apnea?
Change in charge that is carried through a neuron
What is the action potential?
allows us to control our voluntary muscle movements
What is the somatic nervous system?
Part of the brain that controls sleep-wake cycle and breathing
What is the pons?
Stage of sleep where brain activity is close to brain activity when awake
What is REM sleep?
the branched end of the axon, containing neurotransmitters and responsible for sending signals to the next neuron
What are the Terminal Buttons?
reactions sent by the spinal cord are called
reflexes
Contains the Thalamus, Hypothalamus, Amygdala, and Hippocampus, and deals with emotion and memory
What is the Limbic System?
overuse of a drug produces a need for more of the drug to achieve same effect, causes withdrawal symptoms
What is tolerance?
Neurons that carry information from the brain
What are efferent neurons / motor neurons?
Neurotransmitters and hormones released by the sympathetic nervous system
What are epinephrine (adrenaline) and norepinephrine
____ is responsible for understanding speech
____ is responsible for speaking and forming speech
Broca's area is responsible for understanding speech
Wernicke's area is responsible for speaking and forming speech
Type of drug that causes changes perceptions of reality, including sensory hallucinations, loss of identity, and vivid fantasies
What are Hallucinogens?