4/17/2014 2:08:00 AM
Stroke "Cerebrovascular Infarct" Study Guide
Book Chapter Summary:
The brain consumes an enormous amount of energy (20%] that is disproportionate to its small size (2%).
It relies on the constant delivery of oxygen and glucose to prod
4/8/2014 8:38:00 PM
Autism Spectrum Disorders
Triad of Impairments
- In DSM V they are putting social interaction and communication
a Social interaction
CI 50-60% do not have speech
0 High functioning (Asperger’s) don’t have delay
Instructions: You must answer 5 of the following 7 questions, i.e. you MUST drop two.
Name: Blazer lD
[There are no bonus points ifyou answer all 7 questions. I will only grade the rst 5 you
Each is worth 20 points for a total of 100
433 Bipolar review
0 Mental disorders: clinically signicant behavioral or psychological patterns that cause distress or
disability and significantly affect one's ability to function as expected ("normally") in society
0 Unique thing about mental disorder:
433 Parkinsons Review
First described in 1817 by James Parkinson in "Essay on the Shaking Palsy"
Muscle weakness of PD not caused by defect in muscle function, but in CNS. Lesions on substantia nigra in
midbrain of autopsied patients
Alpha motor neurons- synapse onto the muscle fiber and release acetylcholine causing muscle to contract. Receive
excitatory input from upper motor neurons and inhibitory input from local interneurons.
Gamma motor neuron- synapse onto mus
ALZH EIM ERS
MILD COGNITIVE IMPAIRMENT
In order to be diagnosed with MCI you must experience.
Self of informant memory complaints
Objective evidence of memory decline
Display minimal functional limitations
MCI can be caused by a multitude of factors inclu
Edema [uid collection swelling of the brain because the cell is hypertonic (swells)
- NS vulnerable to trauma b/c low regenerative potential. Cells are fragile, long thin axons and edema
increases intracranial pressure
C - edema=bad because limited room
Review Sheet Test 1
- Tumor: abnormal mass b/c of abnormal growth
- Benign = not invade; malignant = cancer (invasive, not controllable)
0 Grading system
0 l = slowly; not spread
o 2: may spread
o 3=quick growth; may spread
o 4=quick, spreads, d
Seizure and Epilepsy Study Guide
Epilepsies are a group of conditions defined in practice as 2 or more unprovoked seizures occurring at
least 24 hours apart
Active epilepsy indications a person that is either currently being treated for epile
-affect 1% of world population, same across race
-equal in men and women
-same throughout the world
-found more often in low SES
-about 2.2 million patients in US, 300k hospitalized
-depression in 50% ofpati
*summary of book and powerpoint
denition: inammatory disease that causes the demyelination of axons in the CNS
Epidemiology: 350,000 people affected in U.S.; 2.5 M Worldwide
- strikes at any age, but most often diagnosed between 20-40 y
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