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The Papez circuit / p eɪ p z /, [1] [2] [unreliable source?] [3] or medial limbic circuit, is a neural circuit for the control of emotional expression. In 1937, James Papez proposed that the circuit connecting the hypothalamus to the limbic lobe was the basis for emotional experiences.
James Wenceslas Papez (/ p eɪ p z /; [1] [2] [3] 1883–1958) was an American neuroanatomist, most famous for his 1937 description of the Papez circuit, a neural pathway in the brain thought to be involved in the cortical control of emotion.
However, most of its putative role in emotion was developed only in 1937 when the American physician James Papez described his anatomical model of emotion, the Papez circuit. [37] The first evidence that the limbic system was responsible for the cortical representation of emotions was discovered in 1939, by Heinrich Kluver and Paul Bucy.
Model of a neural circuit in the cerebellum. An example of a neural circuit is the trisynaptic circuit in the hippocampus. Another is the Papez circuit linking the hypothalamus to the limbic lobe. There are several neural circuits in the cortico-basal ganglia-thalamo-cortical loop.
The observation in 1998 of HD cells in the lateral mammillary area of the hypothalamus completed an interesting pattern: the parahippocampus, mammillary nuclei, anterior thalamus, and retrosplenial cortex are all elements in a neural loop called the Papez circuit, proposed by Walter Papez in 1939 as the neural substrate of emotion. Limited ...
The mammillothalamic tract is part of the Papez circuit (involved in spatial memory), starting and finishing in the hippocampus. [1] The fibers of the MMT are heavily myelinated. [2] [3] [4] It arises from the medial and lateral nuclei of the mammillary bodies, and from fibers that are directly continued from the fornix of the hippocampus.
The whole forms a neural circuit in the limbic system known as the Papez circuit. [9] The anterior cingulate cortex sends axons to the anterior nucleus and through the cingulum to other Broca's limbic areas.
James Papez: 1883–1958 United States Papez circuit: Alvaro Pascual-Leone: 1961– Spain Ardem Patapoutian: 1967– Lebanon Nobel Prize in Physiology or Medicine - 2021. [63] Paul Patterson: 1943–2014 United States Steven M. Paul: United States Ivan Pavlov: 1849–1936 Russia Nobel Prize in Physiology or Medicine - 1904. [92] Pavlovian ...