Mod 9 - Neurotransmission
What is a neruon?
A nerve cell, basic building block of the nervous system
The nervous system is comprised of what?
CNS (central nervous system) and PNS (peripheral nervous system)
What is the medulla in charge of?
Heartbeat and breathing
What are the four lobes of your corext?
Frontal, temporal, Parietal, Occipital
What is a chromosome?
threadlike structures made of DNA (contain genes)
What is a glial cell?
Cells in the nervous system that support, nourish and protect neurons
What are sensory neurons vs motor neurons
Sensory neurons - carry messages from the body's tissues inward (afferent). // Motor neurons - carry instructions from CNS onward (Efferent = Exit the brain)
What would happen if we cut your reticular formation?
You would not wake up. You would be alive (breathing/heartbeat - see above question). But not able to be aroused
What is your somatosensory cortex?
front of parietal that registers and processes body touch and movement sensations
True or false: human genes are mostly the same, regardless of race.
What does depolarization refer to?
neuron stimulation causes a brief change in electrical change. If strong enough, this opens gates to allow + ions to flood in to - ions.
What is the messenger of the Endocrine system
Hormones
What would happen if we damaged Ms. B's hippocampus
She would have difficulty forming new memories
An individual experiences brain damage that drastically changes their personality. Which part of the brain was probably damaged.
Frontal
Heritability refers to the percentage of what?
Variation in a trait across individuals that CAN BE explained by GENETICS
What would an oversupply of Glutamate do?
Overstimulate the brain producing migraines or seizures.
What is the most influential of the endocrine glands?
Pituitary
Where our the pleasure centers located?
Hypothalamus
You are aware that aware that someone is playing an instrument. But you are not aware of the type of instrument. Later, you can describe the shape of the instrument. This ability to process information without conscious awareness is called what?
Dual Processing
Evolutionary psychologists seek to understand how traits and behavioral tendencies have been shaped by what?
Natural selection
An undersupply of what neurotransmitter has been linked to tremors and decreased mobility in Parkinson's.
Dopamine
What part of the nervous system begins the process for moving the muscles required to walk to your next class?
CNS
Which neurological tool would you use to see what areas of your brain light up as you perform a task?
PET scan
Speech is located in which hemisphere
Left (tan, TAN TAAAAAAAANNNNNNNN)
Why do researchers find the study of fraternal twins important?