biological physiology & neural transmitters
The part of the neuron that contains the life support center
What is the cell body?
Recording of the waves of electrical activity across the brain's surface which is measured by the electrodes which are placed on the scalp.
What is the EEG scan?
Difference between nature and nurture.
Nature - genetic transfer of characteristics
Nuture: Enviornment, non-genetic influence.
Our subjective awareness of ourselves in our environment
What is conciousness?
Chemical substance that alters perception and mood
What is psychoactive drugs?
The level of stimulation required to trigger a natural impulse.
What is a threshold?
Which of the following scanning techniques measured glucose consumption as an injector of the brain activity?
A) PET
B) MRI
C) fMRI
D) CT
A) PET
The number of chromosomes each person has
What is 46 chromosomes?
When you are in bed with your eyes closed, you’re awake, but relaxed state
What are alpha waves?
Neuroadaptation brain chemistry changes to offset the effects of the drug user requires large and large doses, which increased the risk of becoming addicted and developing a substance abuse disorder
How can someone lead to a substance abuse disorder?
Resting potential, the action potential, and the refractory period.
What is polarization, depolarization, and repolarization?
A scan that uses magnetic fields and radio waves to make computer-generated images.
What is MRI scan?
There are 20,000 of these in your body.
What are genes?
Describe the biological rhythm of our sleep and dreaming stages
NREM-1 irregular brain waves
NREM-2 sleep spindles
NREM-3 deep sleep slow delta waves
Which does not belong with the right drug
A. alcohol; stimulant
B. LSD; hallucinogen
C. amphetamine; stimulant
D. THC; hallucinogen
E. nicotine; stimulant
A)Alcohol; stimulant
In order for a neuron to generate an action potential, which of the following must be true?
A) Glial cells must release the neurotransmitters into the axon
B) dopamine and serotonin must be presented in equal amounts
C) the neuron must be in the refractory period
D) Excitatory impulse must outnumber inhibitory impulses
D) Excitatory impulses must outnumber inhibitory impulses
What is MEG?
The study of environmental influences on gene expression that occurs without a DNA change.
What is epigenetics?
What does circadian rhythm affect?
Our sleep wakes cycle, temperature, hormonal and digestive cycles
How does cocaine impact normal neural transmission?
By binding to the sites that normally reabsorb neurotransmitters molecules, cocaine blocks reuptake of dopamine, norepinephrin and serotonin
How do K+ ions move out?
Gates open in the first part of the axon allowing K+ ions to flow out
X ray photographs taken from different angles to show the structural damage in the brain?
A single fertilized egg that splits in two (how identical twins are made)
What is monozygotic?
Non-rapid eye movement sleep in encompasses all stages except for REM
AND
rapid eye movement sleep a recurring sleep stage during which vivid dreams occur
What is NREM and REM?
Which stimulants cause high energy and emotional elation, dehydration, and damage to the serotonin produced by neurons?
A)LSD
B)ECSTASY
C)CAFFEINE
D)NICOTINE
B) ecstasy