Archikortex, limbisches System Flashcards

1
Q

Bestandteile des limbischen Systems

A
Hippocampus formation
(Hippocampus mit Gyrus dentatus
Gyrus parahippocampus
Subiculum
Area entorhinalis)
Fornix
Gyrus cinguli
Amygdala
Corpus mammilare
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2
Q

Hippocampus

A

Gyrus dentatus + Cornu ammonis (med templappen am Seitenventrikelunterhorn)

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3
Q

Gyrus parahippocampus (+Hippocampus)

A

Area entorhinalis
Subiculum

bilden Pes hippocampi

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4
Q

Pes hippocampi(Verlauf)

A

nach oben bis kaudales Ende des Balkens(oberhalb indusium grisseum)

unterhalb Fornix -> Corpora mammillaria

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5
Q

Aff des Hippocampus

A

über tractus perforans aus Area entorhinalis

Thalamus
Gyrus cinguli
Amygdala
Septum(über Fornix)

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6
Q

Eff des Hippocampus

A
alles im Fornix
Septum
Amygdala
Hypothalamus
Corpora mammillaria 
(Bilden Papez Neuronenkreis)
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7
Q

Papez Neuronenkreis

A
Hippocampus
Fornix
Corpora mammillaria 
-> Fasciculus mammilothalamica
Ncl ant(Thalamus)
Gyrus cinguli
Area entorhinalis
-> tractus perforans
Hippocampus
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8
Q

Histologie des Archikortex

A
3 schichtig(oriens, pyramidale, moleculare)
Gyrus dentatus(aff)-Cornu amonis-Subiculum(eff)
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9
Q

“Seepferdchen”

A

Gyrus dentatus(Schwanz,dist)
Cornu amonis
Subiculum(zum Körper)
Körper: Gyrus parahippocampus

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10
Q

Histo Fkt

A
Pyramidenzellen(Area entorhinalis)
--> Tractus perforans
Körnerzellen(Gyrus dentatus)
-> Moosfasern
CA3
1.-> Schaffer-Kollateralen
CA1 -> Area parahippocampus/Subiculum

Pyramidenzellen in CA3 können sich über LTP verändern

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11
Q

Anat Grundlage des Gedächtnis

A

Kurzzeit: präfrontaler Kortex

Langzeit: Neokortex

Konsollidierung:

  • explizit: Papez
  • emotional: Amygdala
  • Gewohnheit Striatum reziprok sens/mot Kortex
  • Motorik: Kleinhirn
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12
Q

Gyrus cinguli

A
oberhalb des Balkens
Fasern zum Kortex Cingulum
Fkt:
psychomotorischer Antrieb
emotionale Gesichtbewegungen

Zingulotomie bei Angst Pat -> macht Gleichgültig

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13
Q

ZSF Fkt und Teile des limbischen Systems

A

Hippocampus(Gedächtnis, Verhalten, emot veg)

Gyrus cinguli(Antrieb, veg modulation)

Gyrus parahippocampus(Gedächtnis, Sinnesinfo an Hippocampus)

Amygdala(Affektverhalten, emot Lernen)

Corpus mammilare(Gedächtnis, Affektverhalten)

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