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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

The treatment improved mitochondrial function and reduced the neurons' hyperexcitability.

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

This condition of excessive motor activity and hyperexcitability may endure for years.

From Origin and Nature of Emotions by Crile, George W. (Washington)