Linbic Lobe Flashcards
(18 cards)
Limbic system express feelings via
Hypothalamus
Limbic lobe is in collaboration with …… sense
Olfactory
Limbic Lobe
Surrounding corpus callosum and diencephalon;
●Septal area
●Paraterminal gyrus
●Subcallosal gyrus
●Cingulate gyrus
●Hippocampal gyrus (parahippocampal gyrus)
●Gyrus fasciolaris
Structures associated with limbic lobe:
● Amygdala
● Hypothalamus (mamillary body)
● Thalamus (anterior and medial nuclei)
● Formatio reticularis
● Epithalamus
● Olfactory cortex
● Hippocampal formation:
● Hippocampus
● Gyrus dentatus
● Alveus
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● Fimbria hippocampi
Formation of new memories
Hippocampus formation
Parts of hippocampal formation
Hippocampus → dentate gyrus → alveus of hippocampus → fimbria of hippocampus
In hippocampus
●Anterior expanded end with two or three grooves on it resembling a paw
3-4 claw like projections
Pes hippocampi
Hippocampal digitations
Strip of gray matter between hippocampal gyrus and fimbria
Dentate gyrus
Sırala
dentate gyrus —fasciolar gyrus —indusium grisiu
Indusium griseum is continios with ……………. rostrally
…………… caudally
Septal nucleus paraterminal gyrus stria terminalis
Dentate gyrus
Primary efferent pathway of hippocampal formation
Fornix cerebri
Hippocampus —-alveus hippocampi ——fimbria hippocampi —-crus fornix
Fornixin sinyalleri gönderdiği hedefleri
Mamillary body, anterior thalamic nuclei,tegmentum, septal nuclei,hypothalamus,
corpus striatum
Papez circuit
Hippocampus → fornix → mammillary body → namillothalamic tract → anteriorthalamic nucleus → thalamokortical tract → cingulate gyros → cingulum → entorhinal area → hippocampus
Papez proposed that;
emotional expression is organized
in the …….
experienced in the ……
expressed via …….
Hippocampus
Cingukate gyrus
Maxillary bodies
Link between limbic system and diencephalon
Septal Area
● Septum pellucidum
● Subcallosal gyrus
● Paraolfactory area
● Paraterminal gyrus
Connections of septal area
Hippocampus
● Amygdala
● Hypothalamus
● Mesencephalon
● Habenular nuclei
● Cingulate gyrus
● Thalamus
Cortical and subcortical
structures involved in
processing olfactory
information
Rhinencephalon
Priform Cortex
1) Primary olfactory cortex
2) Secondary olfactory cortex