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Neurobiology Glossary

100 terms total — 11 showing — Last updated 15 Sep 2026

tetrodotoxin TTX

Professional Technical IVT

Potent neurotoxin that selectively blocks voltage-gated sodium channels, preventing action potential generation.

Showing 1–11 of 100

center-surround receptive field

Intermediate Technical IVT

Circular receptive field organization with opposite responses in center and surrounding regions.

Technical Term Full entry →

connectome

Intermediate Technical IVT

Comprehensive map of neural connections within a nervous system or brain region.

Technical Term Full entry →

cytoarchitecture

Advanced Technical IVT

Organization and arrangement of cell types within neural tissue, particularly cortical layers.

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ectopic spike

Advanced Technical IVT

An action potential that originates from an abnormal location along the axon rather than the normal initiation site.

Technical Term Full entry →

electrocorticography

Advanced Technical IVT

Recording of electrical activity directly from the brain surface using electrodes placed on the cortex.

Technical Term Full entry →

electroencephalography

Intermediate Technical IVT

Non-invasive technique for recording electrical activity of the brain through electrodes placed on the scalp.

EEG
Technical Term Full entry →

ionotropic receptor

Intermediate Technical IVT

Ligand-gated ion channel that opens directly upon neurotransmitter binding.

Technical Term Full entry →

metabotropic receptor

Intermediate Technical IVT

G-protein coupled receptor that activates intracellular signaling cascades upon neurotransmitter binding.

Technical Term Full entry →

population vector

Professional Technical IVT

Mathematical representation of movement direction decoded from multiple motor cortex neurons.

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receptive field

Intermediate Technical IVT

The specific region of sensory space where stimuli can influence a neuron's firing rate.

Technical Term Full entry →

stereotactic electroencephalography

Professional Technical IVT

An invasive technique using depth electrodes placed with stereotactic precision to record intracranial EEG for epilepsy...

Technical Term Full entry →

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