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Excitatory: meaning, definitions and examples

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excitatory

 

[ɪkˈsɪtəˌtɔri ]

Definition

Context #1 | Adjective

neuroscience function

Excitatory refers to the ability of a substance or signal to increase the activity or function of a neuron or muscle. In terms of neurotransmitters, excitatory signals lead to the generation of action potentials, promoting further signaling in nerve cells.

Synonyms

activating, boosting, stimulating.

Examples of usage

  • Glutamate is an excitatory neurotransmitter in the brain.
  • Excitatory signals help in muscle contraction.
  • The role of excitatory neurons is crucial for memory formation.

Interesting Facts

Neuroscience

  • Excitatory signals in the brain help neurons communicate quickly, making us react faster.
  • They are essential for learning and memory as they help strengthen connections between brain cells.
  • Two main neurotransmitters, glutamate and aspartate, act as excitatory agents in the brain.

Physiology

  • In muscle function, excitatory signals lead to contractions, allowing movement and physical activity.
  • The balance between excitatory and inhibitory signals helps maintain overall mental health and emotional stability.

Psychology

  • Positive experiences can create excitatory stimuli that enhance mood and motivation.
  • Research shows that excitement can boost creativity, leading to more innovative ideas.

Education

  • As classrooms become more interactive, excitatory learning methods, like hands-on activities, help engage students effectively.
  • Teachers often use techniques that excite students to stimulate interest in difficult subjects.

Cultural Impact

  • In music, upbeat and lively songs are designed to create excitatory feelings, making people want to dance.
  • Fast-paced action films utilize excitatory elements to keep viewers on the edge of their seats.

Word Frequency Rank

With rank #19,532, this word belongs to specialized vocabulary. While not common in everyday speech, it enriches your ability to express complex ideas.