Neuro Review- First Aid- pg 449-453 Flashcards
Where is NE synthesized?
locus ceruleus (pons)
- Thalamic nucleus: VPM
- input: ?
- info: ?
- Destination: ?
- Thalamic nucleus: VPM
- input: trigeminal and gustatory pathways
- info: FACE sensation and taste
- Destination: 1a somatosensory cortex
- *** VPM = Makeup on the FACE
- Thalamic nucleus: VL
- input: ?
- info: ?
- Destination: ?
- Thalamic nucleus: VL
- input: basal ganglia and cerebellum
- info: motor
- Destination: motor cortex
In what sleep phase do sleepwalking, night terrors, and bedwetting occur?
stage N3 (delta waves)
ACh is decreased in which pathology?
- Alzheimers
- Huntington disease
What is the function of the locus ceruleus?
- stress and panic
- NE synthesis
What portion of the hypothalamus regulates heating (SNS)?
posterior nucleus
5HT is increased in which pathology?
Parkinsons
- Thalamic nucleus: lateral geniculate nucleus (LGN)
- input: ?
- info: ?
- Destination: ?
- Thalamic nucleus: lateral geniculate nucleus (LGN)
- input: CNII (2)
- info: vision
- Destination: calcarine sulcus (parietal-occipital area)
- *** lateral = light
GABA is decreased in which pathology?
- anxiety
- Huntington disease
What makes ADH?
the supraoptic nucleus (SON) of the hypothalamus
- Thalamic nucleus: ?
- input: superior olive and inferior colliculus of tectum
- info: hearing
- Destination: auditory cortex of temporal lobe
medial geniculate nucleus (MGN)
- Thalamic nucleus: ?
- input: basal ganglia and cerebellum
- info: motor
- Destination: motor cortex
VL
- Thalamic nucleus: ?
- input: CNII (2)
- info: vision
- Destination: calcarine sulcus
lateral geniculate nucleus (LGN)
What is the function of the nucleus accumbens and septal nucleus?
cognitive processing of aversion, motivation, pleasure, reward, reinforcement learning, addiction, fear
NE is decreased in which pathology?
depression
What regulates circadian rhythm?
- the suprachiasmatic nucleus (SCN) of the hypothalamus
- *** you need sleep to be charismatic***
Where is ACh synthesized?
basal nucleus of Meynert
Where is GABA synthesized?
nucleus accumbens
What is the job of the suprachiasmatic nucleus (SCN) of the hypothalamus?
regulation of circadian rhythm
What portion of the hypothalamus regulates cooling (PNS)?
- the anterior hypothalamus
- A/C = anterior cooling
Activity of the PPRF (paramedian pontine reticular formation/conjugate gaze center) causes?
extraocular movements during REM sleep
DA is decreased in which pathology?
- Parkinsons
- depression
Where is DA synthesized?
- ventral tegmental area (VTA) and
- substantia nigra (SNc)- midbrain
DA is increased in which pathology?
Huntington
5HT is decreased in which pathology?
- anxiety
- depression
TAN HATS
- Thirst and water balance
- Adenohypophysis control of ant. pituitary
- Neurohypophysis releases hormones
- Hunger
- Autonomic regulaton
- Temperature regulation
- Sexual urges
functions of the hypothalamus
What NT decreases REM sleep?
NE
NE is increased in which pathology?
anxiety
Where is 5HT synthesized?
raphe nucleus (pons, medulla, midbrain)
ACh is increased in which pathology?
Parkinsons
- Thalamic nucleus: ?
- input: trigeminal and gustatory pathways
- info: FACE sensation and taste
- Destination: 1a somatosensory cortex
VPM
What does a lesion to the posterior nucleus of the hypothalamus cause?
poikilothermia (like you’re cold blooded)
What is the function of the hypothalamus?
TAN HATS
- Thirst and water balance
- Adenohypophysis control of ant. pituitary
- Neurohypophysis releases hormones
- Hunger
- Autonomic regulaton
- Temperature regulation
- Sexual urges
- Thalamic nucleus: medial geniculate nucleus (MGN)
- input: ?
- info: ?
- Destination: ?
- Thalamic nucleus: medial geniculate nucleus (MGN)
- input: superior olive and inferior colliculus of tectum
- info: hearing
- Destination: auditory cortex of temporal lobe
- *** medial = music
Why are there extraocular movements during REM sleep?
PPRF (paramedian pontine reticular formation/conjugate gaze center) is active
- Thalamic nucleus: VPL
- input: ?
- info: ?
- Destination: ?
- Thalamic nucleus: VPL
- input: spinothalamic and DC/ML
- info: pain, temp, pressure, touch, vibration, proprioception
- Destination: 1a somatosensory cortex
What decreases REM and delta wave sleep?
- CNS depressants:
- EtOH
- benzos
- barbs
- Thalamic nucleus: ?
- input: spinothalamic and DC/ML
- info: pain, temp, pressure, touch, vibration, proprioception
- Destination: 1a somatosensory cortex
VPL