Dictionary.com
Thesaurus.com

excitatory

American  
[ik-sahyt-uh-tawr-ee] / ɪkˈsaɪt əˌtɔr i /

adjective

  1. relating to, producing, or involved in the process of excitation.


Other Word Forms

  • non-excitatory adjective
  • self-excitatory adjective

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.

These excitatory signals encourage the growth of ‘dendritic spines,’ which can serve as new connection points between cells.

From The Wall Street Journal

The researchers found that the most significant gene disruptions occur in excitatory neurons -- the nerve cells that send activating signals -- where nearly 6,000 cause-and-effect interactions revealed extensive genetic rewiring as Alzheimer's progresses.

From Science Daily

Current treatments for attention disorders typically increase excitatory signaling in prefrontal brain circuits using stimulant medications.

From Science Daily

Interneurons, which help balance excitatory and inhibitory nerve signals, were also damaged.

From Science Daily

They found that during sleep, both excitatory and inhibitory connections in the brain become weaker, but they do so asymmetrically, making inhibitory connections weaker than excitatory connections, which causes an increase in excitation.

From Science Daily