Nervous System and Brain Structures
Hippocampus is important in
the formation of NEW memories (i.e. learning)
Function of M cells
processing of large, low-contrast, moving objects
When cortisol levels are high, _________ levels are typically low
melatonin
The famous patient H.M. provided strong evidence that
Pros and cons of the drug Ritalin to treat ADHD
it has many side effects, but it can help the user focus more
Reuptake inhibitors act as what type of drug
agonists
Light passes through this right before the retina
vitreous humor and its blood vessels
Method of suppressing melatonin levels
light exposure
Areas Ca1 to Ca4 are found
in Ammon's horn in the hippocampus
basal ganglia and prefrontal cortex
Acetylcholinesterase (AChE) functions as
an enzyme that breaks down acetylcholine
This forms the optic nerve
axons of ganglion cells
This is inactive during REM sleep
frontal lobes
Cognitive functions; how do they change over time with healthy people?
remain relatively stable
Difference between panic attacks and generalized anxiety disorder
panic attacks typically characterize symptoms like those with a heart attack, where as GAD is chronic and does not have "attacks" in the diagnosis
The function of the sympathetic chain
series of ganglia just outside the spinal chain that communicate with the target organs
Lateral geniculate nucleus; what is it?
located in the thalamus; keeps information from two eyes separate and filters info sent to the cortex
This type of learning is probably dependent on LTP
spatial learning
Premotor cortex functions
involved in selection of motor plans for voluntary movements
L-dopa synthesizes ...
dopamine, epinephrine, and norepinephrine
Involved in tracking of moving stimulus
superior colliculi
At rest, NMDA receptors are blocked by
magnesium