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Nerve fibers project out of the thalamus to the cerebral cortex in all directions, known as the thalamocortical radiations, allowing hub-like exchanges of information. It has several functions, such as the relaying of sensory and motor signals to the cerebral cortex [1] [2] and the regulation of consciousness, sleep, and alertness. [3] [4]
Sometimes, it is in two parts – and 20% of the time, it is absent. [2] In other mammals, it is larger. In 1889, a Portuguese anatomist by the name of Macedo examined 215 brains, showing that male humans are approximately twice as likely to lack an interthalamic adhesion as are female humans.
INAH 1; INAH 2; INAH 3; INAH 4; ... Anterior nuclei of thalamus; ... "Brain Anatomy and How the Brain Works". Johns Hopkins Medicine. 14 July 2021.
Mammillary bodies, and their projections to the anterior thalamus via the mammillothalamic tract, are important for recollective memory. [7] According to studies of rats with mammillary body lesions, damage to the medial mammillary nucleus lead to spatial memory deficits.
The spinothalamic tract is a nerve tract in the anterolateral system in the spinal cord. [1] This tract is an ascending sensory pathway to the thalamus.From the ventral posterolateral nucleus in the thalamus, sensory information is relayed upward to the somatosensory cortex of the postcentral gyrus.
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[2] [3] It overlies the paraventricular nucleus of hypothalamus, [4] and is involved in the secretion of vasopressin. [2] The VOLT monitors the presence of peptides and macromolecules in the bloodstream, and conveys the information to the hypothalamus. [3] It is one of the three sensory circumventricular organs of the brain. [5] The other four ...
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