GATE (Graduate Aptitude Test in Engineering) Psychology Biological and Evolutionary Basis of Behaviour-Neurons Study Material (Page 2 of 4)

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Neurons: Important Terminology


Important Terminology

Neuropeptides: Any of several types of molecules found in brain tissue, composed of short chains of amino acids; they include endorphins, enkephalins, and others.

Neural Network: It is a computer system modelled on the human brain and nervous system.

Reflex Arc: A reflex arc defines the pathway by which a reflex travels. Reflex arc…

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Neurotransmitters: Types of Neurotransmitters


Information is carried by biochemical substances called neurotransmitters. The terminal buttons and the dendrites of other neurons do not touch, but instead pass the information containing neurotransmitters through a Synapse. Once the neurotransmitter leaves the axon and passes through the synapse, it is caught on the dendrite by Receptor Sites.

Types of Neurotransmitters

  • Acetylcholine: It is involved in voluntary movement, learning, memory, and sleep. Too much acetylcholine is associated with depression, and too little in the hippocampus has been associated with dementia.
  • Dopamine: Correlated with movement,…

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