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91 Cards in this Set

  • Front
  • Back
Shingles
caused by the chicken pox virus
Basic types of somatosensations
Touch and pressure
Pain and Temperature
Limb orientation and posture
Touch and pressure receptor
mechanoreceptors
Slowly-Adapting
respond best to pressure
Rapidly-Adapting
respond to onset and offset of pressure
Pacinian
respond to very high frequencies
NMDA receptor
will normally bind to glutamate
Nociception
the perception of a stimulus that if continued will cause tissue damage
Nociceptors
small myelinated axons
small unmyelinated axons
Delta Fibers
small myelinated axons
fast pain perception
C Fibers
small unmyelinated axons
slow pain perceptions
Drugs that relieve pain
opiates(heroin, morphine, codeine)
Drug to give on overdose of heroin
naloxone
White part of they eye
SCLERA
Colored part of the eye
Iris
5 different neruons in eye
retinal ganglion cells
amacrine cells
biopolar cells
horizontal cells
photoreceptor cells
Rods(colors?)
(sensitivity?)
most sensitive to light
black white gray
Cones(colors?)
(sensitivity?)
Less sensitive to light
blue red green
Dry AMD
drusen are deposited beneath the retina in the macula
Increase difficulty in reading
Wet AMD
Inflitration of blood vessel that cause damage to retina
Retinitis pigmentosa
increasing loss of vision in the periphery.
Leads to tunnel vision
Glaucoma
disease of eye that ends up killing cells of retina. glaucome unable to exit normally.
Eyeball cut in the optic chiasm
temporal visual field deficits in both eyes
on-center/off-surround and off-center and on-surround @:
Retinal ganglion cells
LGN Cells
similar on/off center and surround
VI cells
input layers, do get center-surround
simple cells
respond with on-bar
Complex cells
like oriented bars
Hyper-complex
end-stop inhibition
neurons
interneurons, projection neurons
examples of slow neurotransmitters
Dopamine
Serotonin
Nor epinephrine
AcH
Lower motor neuron
These are the motor neurons in the ventral horn
of the spinal cord
Upper motor neuron
These are the neurons in the brain or spinal cord
that are somehow involved in sending the signal to the ventral horn
"Cerebral cortex is
organized into different areas"
Brodmann
Human Primary sensory Areas
Motor, Somatosensory, Auditory, Visual
Slow neurotransmitters
Dopamine, Serotonin, Norepinephrine, AcH
Lower motor neuron
These are the motor neurons in the ventral horn
of the spinal cord
Upper motor neuron
These are the neurons in the brain or spinal cord
that are somehow involved in sending the signal to the ventral horn
Two mechanisms
also regulate dopamine
action
(1).specific re-uptake
autoreceptors
(2) enzymes that break
it down: (MAO)
Anatomical Divergence:
One neuron provides input to many
post-synaptic neurons
Convergence:
Many neurons converge and provide input onto a single post-synaptic neuron
Endogenous Opiates
Endorphins
Retinitis Pigmentosa
Peripheral, rod, fovea is spared
MT
responds to direction of motion and velocity of motion
MST
responds to optic flow stimuli
(SPEED OF LIGHT)
IT
Responds to faces
Eye Movements(2)
Saccades
Smooth Pursit
Declarative Memory(?)
Storing facts
Declarative Memory(2 stages)
Long term
Short term
Procedural
Memory
How to?
Echoic Memory
Attention Span
Anterograde amnesia
loss of the ability to create memories after the event that caused the amnesia occurs
Reterograde amnesia
where someone will be unable to recall events that occurred before the development of amnesia
Neurofibrillary tangles
found within neurons in cases of Alzheimer's disease.
Senile plaques
extracellular deposits of amyloid in the gray matter of the brain.

Alzheimer's diseases
Epilepsy
condition characterized by abnormal, recurrent, and excessive discharges from neurons. --seizures
Associated with ADHD
Oppositional Defiant Disorder (ODD)
Emotional Disorders
Attention Deficit Hyperactivity Disorder (ADHD)
3-4years of age
Have to have all the symptoms all the time.
Should rule out other things that look the
same
Stimulants are an effective
treatment for ADHD
Ritalin: block the reuptake of dopamine
Obsessive Compulsive Disorder
You obsess about something, which compels you to do something that you
know is irrational
Obsessive Compulsive Disorder
Treatments
selective serotonin re-uptake
inhibitor (SSRI)(prozac)

tricyclic antidepressants:
affect the re-uptake of norepinephrine and serotonin
____ works
well to control both
the mania and
depression.
Lithium (Li+)
benzodiazapams
(how it works)
Benzodiazapams mimic GABA
and bind to a specific GABA
receptor.
Post-Traumatic Stress Disorder has two general types:
Flashbacks or Amnesias
The _______
feeds the brainstem
The basilar artery
A small lesion here will
result in a permanent
vegetative state.
paramedian mesodiencephalic
structures (PMD)
Schizophrenia
Too much dopamine
What helps you remember something ??
Adenaline stimulating the amygdala
aphasia
loss of speech
Corpus collosum
axons from one side of the brain that connect to the other side of the brain
• You can determine which hemisphere language is by giving the :
WADA test
• Wernicke's area gets input from
visual cortex[reading]
____ is activated when you think about how others are feeling
MPFC
Hemophilia
Blood not clotting
Transient Global Amnesia
Defined as a sudden but transient retrograde and anterograde amnesia
Herpes-Simplex Encephalitis
Virus enters via the nose or mouth. Manages to somehow get into the central nervous system, and
primarily affects the temporal lobes
Agnosias
A sudden inability to be able to remember certain things or how to do certain things
Kluver-Bucy syndrome
Loss of normal fear
Lack of ability to gauge trustworthiness
Hippocampus
Needed to store memories
Thalamus and Mammillary bodies
Needed to retrieve the memories
Amygdala:
Make sure you remember the
important stuff
Deafness
conduction and neural
Neural Deafness:
Something is wrong somewhere in the nervous system.
neural deafness is from
the hair cells or spiral ganglion cells
Tinnitus
the perception of sound within the human ear in the absence of corresponding external sound.
Primary visual cortex (V1)
processing information about static and moving objects and is excellent in pattern recognition.
Visual area V2
provide a complete map of the visual world
Third visual complex, including area V3
receiving inputs from V2 and from the primary visual area
Visual area V4
long-term plasticity, encodes stimulus salience, is gated by signals coming from the frontal eye fields,
V5/MT
play a major role in the perception of motion
MST
Viewing objects without implied motions