LIMBIC SYSTEM NBIO 401 Friday, December 3, 2010 Robinson.

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LIMBIC SYSTEM NBIO 401 Friday, December 3, 2010 Robinson

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

HYPOTHALAMUS

Hypothalamus Inputs: -amygdala (via stria terminalis & direct) -hippocampus (via fornix) -septal nuclei (via medial forebrain bundle) -brainstem & spinal cord (via medial forebrain bundle)

Hypothalamus Outputs: -amygdala (via stria terminalis) -hippocampus (via fornix) -septal nuclei (via medial forebrain bundle) -brainstem & spinal cord sympathetic and parasympathetic preganglionic neurons -pituitary (neural & humoral) -anterior thalamus (to prefrontal, orbital, & cingulate cortex)

INFUNDIBULUM (stalk of pituitary) OPTIC CHIASM

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

Amygdala Inputs: -cortex (orbital, cingulate, entorhinal, & temporal) -hypothalamus (via stria terminalis & directly) -hippocampus -brainstem -septal nuclei -thalamus

Amygdala Outputs: -cortex (orbital, cingulate, entorhinal, & temporal) -hypothalamus (via stria terminalis & directly) -hippocampus -septal nuclei -thalamus

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

Hippocampus Inputs: -entorhinal cortex (receives input from cingulate, orbital, & prefrontal cortex) -amygdala (via fornix) -hypothalamus (via fornix)

Hippocampus Outputs: -entorhinal cortex (receives input from cingulate, orbital, & prefrontal cortex) -anterior thalamus (to prefrontal, orbital, & cingulate cortex) -amygdala (via fornix) -hypothalamus (via fornix)

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

Cingulate cortex Inputs: -VP (somatosensory) thalamus (pain) -anterior thalamus (to orbital cortex) -amygdala

Cingulate cortex Outputs: -entorhinal cortex -amygdala

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

(to hippocampus)

Nucleus accumbens Inputs: -amygdala

Nucleus accumbens Outputs: -basal ganglia

1)Hypothalamus 2)Amygdala 3)Hippocampus 4)Cingulate cortex 5)Nucleus accumbens 6)Septal nuclei

Septal Nuclei Inputs: -hippocampus (via fornix) -amygdala -medial midbrain reticular formation

Septal Nuclei Outputs: -hippocampus (via fornix) -hypothalamus (via stria terminalis) -amygdala (via medial forebrain bundle)

Papez Circuit

Ende

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