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What is Limbic system is also known as and explain in detail?
Ans: b (Smell brain) Ref: Ganong 22ml ed/p.256-258.Limbic system was formerly called rhinocephalon (smell brain) because of its relation to olfaction and it is phylogenetically the oldest pail of cerebral cortex (allocortex).It consists of:-* Cingulate gyms* Septal nuclei* Hippocampal formation - hippocampus and dentate nucleus* AmygdalaPapez circuits link limbic system to hypothalamus and thalamus and is concerned with expressive side of emotions. It consists of Fornix from hippocampusa mamillary body of hypothalamus a anterior nucleus of thalamus a cingulate gyrusa hippocampus.Papez circuit has sensory and expressive side of emotions.Sensory:-* Cognition- awareness of the sensation and its cause* Affect-development of feeling* Conation - desire to take actionExpressive:-* Autonomic* Somatic