Potential Action Notes
A signal has to reach where is order to send an action potential?
What is the axon hillock?
the very first part of the axon that has a high number of channels and starts the
When resting, what concentration
EXAM 1 STUDY GUIDE
recurrent unprovoked seizure resulting from an underlying neurologic condition
What is the prevalence of epilepsy?
nearly 3 million Americans (1-2%)
increases with age
an individual abnormal excessive synchronized neuro
What makes up the diencephalon?
All . information, except from the . goes through the thalamus on its way to
The thalamus relays what information?
What are the 2 types of synapses?
Electrical synapses are fast/slow.
Electrical synapses are efficient/not efficient.
What mediates electrical synapses?
What makes a gap junction
Circulation and Stroke notes
A stroke affecting the pre- and post-central gyrus cortex on the right side of
the brain will experience what?
left side sensory loss and weakness
What is usually spared in a middle cerebral artery stroke?
What causes pseudobulbar affect?
degeneration of descending motor pathways form the cortex to the brainstem
What are the symptoms of pseudobulbar affect?
release of some complex motor behaviors like laughing and crying at
Brain Development Notes
What kind of structure is the brain prenatally?
a gross structure
What kind of cell populations make up the prenatal nervous system?
mostly neurons with few glia
What is the size of the prenatal brain?
What controls prene
Spinal Cord Questions & Answers
Where does the spinal cord span?
from the foramen magnum to L2
When the spinal cord ends at L2, what does it taper into?
the conus medullaris
What does the rostral side of the spinal cord blend into?
What does t
Anatomy of the Brain
divides brain into rostral and caudal
divides brain into dorsal and ventral
divides into left and right
What is housed in the anterior cranial fossa?
Cytology Questions & Answers
When was the neuronal doctrine established?
in 1886 with Golgi-technology
When was the reticular theory established?
in 1888 by Ramon y Cajal
How many neurons are there in humans?
How many glial cells are there in