Final - Review Session Flashcards
What is CN#5?
Trigeminal
Glia Cells
Support the neurons
What NT mostly controls muscular movements at the neuromuscular junction?
ACh
Where is the primary motor cortex?
Pre-Central Gyrus
What photoreceptor is used to see colors?
Cones
What part of a neuron sends the signal?
Axon
What 1/2 of the brain controls the left side of the body?
Right
What NT is mostly implicated in depression?
5-HT
Where is the primary sensory cortex?
Post-central gyrus
What type of photoreceptor is most prevalent in fovea?
Cones
Depletion of cells in this DA producing structure is implicated in being primary cause of Parkinson’s disease?
Substantia Nigra
These drugs are typically used to treat anxiety disorders?
Benzos
What is the average age of onset for SZ?
19.2 years
What is the main nucleus in the amygdala that sends out all the information?
Central
This term is used to describe an external stimulus that resets your biological clock?
Zeitgeber
Name the structures in the visual pathways from the retina to the occipital cortex, naming 3 neurons in the retina, the nucleus in the thalamus, and the name of the primary visual cortex?
- Rods, cones –>
- Bipolar Cells
- Ganglion Cells
- LGN
- V1
Where are graded potentials found in a neuron?
Dendrite (where have EPSPs and IPSPs)
What’s another name for the cell body of a neuron?
Soma
What sense does not 1st go to the thalamus?
Smell
What NT is involved in movement in striatum?
DA
How many ventricles are there in the brain?
4
What type of ganglion cells do the cones feed into?
Parvocellular Cells (NOT magno)
What hemisphere is most often specialized for language?
Left
What nucleus in the thalamus relays visual information?
LGN
Name an excitatory AA NT?
Glutamate
What are the ventricles in brain filled with?
CSF
What layers of the LGN receive parvocellular input?
3, 4, 5, 6
Name 2 of the major areas of limbic system
Amygdala, hippocampus, cingulate gyrus, septal nuclei, mamillary bodies, entorhinal cortex, fornix
This treatment is effective in treating depression
ECT
What is the seasonal hypothesis of SZ?
SZs most often born in spring
The cortical columns in V1 are referred to by this term?
Ocular dominance columns
What is the precursor to all catecholamines?
L-Tyrosine
Modern drugs that treat SZ are atypical antipsychotics. Name 2 ways in which they are atypical
Block D4 receptors (not D2), increase DA activity in PFC
What structure connects 2 halves of brain?
CC
What nucleus in the thalamus relays hearing information?
MGN
Name an inhibitory AA NT?
Glycine, GABA
What structure in the brain makes CSF?
Choiroid Plexus
Parvocellular input makes up most of what visual pathway?
Ventral stream
What is another name for primary visual cortex?
Striate Cortex
Where is primary auditory cortex?
Temporal lobe
What does the basal ganglia do?
Movement
Name 1 difference b/w NTs and hormones
NTs go small distance, hormones go longer distance
This brain slice exposes the entire CC from the anterior end to the posterior end?
Sagittal
These nuclei in the midbrain are a main source of 5-HT in the brain?
Raphe Nuclei
What is the specific classification of the drugs zoloft, prozac and paxil?
SSRIs
Give examples of positive and negative symptoms found in SZ?
Positive
- Hallucinations
- Delusions
Negative
- Flat affect
- Anhedonia
- Social Withdrawal
Of synchrony or desynchrony, what is the characteristic EEG pattern during wakefulness?
Desynchrony
(They’re synchronized in SWS)
What does Ca do when it comes in the presynaptic terminal and releases NTs from vessicles?
Stuff
Drugs that act as hallucinogens (e.g., LSD, MDMA) primarily act on what receptors?
5-HT2a
Name the sulcus that separates the brain medially?
Central sulcus
Name a center in the brain important for language?
Broca
Wernicke’s
What does limbic system do?
Emotions
Name the CNs involved in vision
- Optic
- Oculormotor
- Abducens
- Trochlear
Name the color that best describes the tissue making up the outermost layers of the cortex
Gray
This syndrome which follows bilateral temporal lobe removal is identifiable by hypersexuality and psychic blindness?
Kluven-Bucy
SZ is most often treated with this class of drugs?
DA antagonists
Name neuronal cell type found in the cerebellum
Purkinje
Name the fissure that separates the 2 halves lengthwise?
Longitudinal Fissure
Where do the optic nerves cross?
Optic Chiasm
Name the fissure in the brain surrounded by V1
Calcarine Fissure
Name a pleasure center in the brain
NaC, Septal Nuclei
What lobe of the brain is used primarily for vision?
Occipital Lobe
Where do the motor axons cross?
Pyramids
Who has bigger brains on average, men or women?
Men
What is the law of Bell/Majendie
States that the upper 1/2 of spinal cord has information going to the brain and the lower 1/2 has information coming from the brain
Sham rage results from this surgical procedure when performed on cats?
Removal of cortex