Glossary N

Nucleus refers to:

(a) structure within a cell that contains the Chromosomes
(b) cluster of neuron cell bodies within the Central nervous System (CNS).

Nucleus is a membrane-b

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Nucleus accumbens refers to a small subcortical brain area that is rich in dopamine receptors and evidently a major part of the brain"s Reinforcement system

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Nucleus basalis refers to the area on the dorsal surface of the forebrain ; a major source of axons that release acetylcholine to widespread areas in the cerebral cortex.

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Nucleus basalis of Meynert is named after its discoverer a collection of neurons implicated in Alzheimer's disease.

Nucleus of the solitary tract refers to the nucleus in the brain stem that receives signals from the tongue, the mouth, and the larynx transmitted by the chorda tympani, glossopharyngeal, and vagus nerves.

- Nucleus of the tractus solitarius (NTS) : Nucleus of the tractus solitarius (NTS) is the area in the medulla that receives input from taste receptors

- Nucleus reticularis thalami (NRT) : Nucleus reticularis thalami (NRT) is a group of neurons within the Thalamus that regulates oscillatory behavior of the thalamocortical loop.

Null contingency refers to a reinforcement contingency in which there is no relation between a response and reinforcing stimuli.

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