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hyperexcitability

American  
[hahy-per-ik-sahy-tuh-bil-i-tee] / ˌhaɪ pər ɪkˌsaɪ təˈbɪl ɪ ti /

noun

Pathology, Psychology.
  1. an excessive reaction to stimuli.


Other Word Forms

Etymology

Origin of hyperexcitability

hyper- + excitability

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To see if they could prevent neurons from becoming permanently epileptic, the researchers used an experimental glutamate receptor-blocker, called IEM-1460, which has been shown to reduce neuron hyperexcitability in models of mice with epilepsy.

From Science Daily • Mar. 22, 2024

"When RACK1 is lower in fragile X neurons, the mitochondria are suffering and the neurons exhibit mitochondrial deficit and hyperexcitability, like immature neurons. But when we reintroduce RACK1, we can rescue this," Zhao says.

From Science Daily • Oct. 10, 2023

There is evidence that penetration of this compromised barrier by molecules such as the protein albumin can exacerbate both neuronal hyperexcitability and inflammation.

From Nature • Jul. 8, 2014

"The idea that synesthesia results from region-specific hyperexcitability is novel," Terhune says.

From Science Magazine • Nov. 17, 2011

The reaction of degeneration in the nerve is shown by disappearance of reaction to either kind of current, preceded for some days by hyperexcitability to either current.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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