excitability

Thân thiện

A child's excitability is clear when they see a puppy.

Definition

Noun: 1. The quality of being easily excited or aroused: A state or characteristic of reacting quickly and strongly to stimuli, often with heightened emotional or physiological responses. 2. Excessive sensitivity of an organ or body part: A medical or physiological condition where a specific part of the body reacts excessively to normal stimuli.

Usage and Examples

• General Emotional/Behavioral Context:

  • The child's excitability made it difficult for him to sit still during the long ceremony.
  • Her natural excitability means she gets very enthusiastic about new projects.

• Medical/Physiological Context:

  • The doctor noted the muscle's excitability in response to the mild electrical stimulus.
  • Neural excitability is a key property of nerve cells.

Advanced Usage and Nuances

• Psychological Trait: Often used to describe a personality trait involving a low threshold for emotional arousal.
  • His artistic temperament was marked by a certain excitability.
• Physiological Property: In biology and medicine, it refers to the capacity of cells (like neurons or muscles) to respond to a stimulus.
  • Researchers studied the excitability of the cardiac tissue.

Variants and Related Words

• Excitable (adjective): Describes a person or thing prone to excitement.
  • He is an excitable person who talks quickly when he's happy.
• Hyperexcitability (noun): An abnormally increased state of excitability.
  • The condition caused hyperexcitability in the central nervous system.

Synonyms

• Nervousness: The state of being anxious or easily agitated.
• Volatility: Liability to change rapidly and unpredictably, especially for the worse; can relate to emotional instability.
• Irritability (in a physiological context): The quality of being abnormally sensitive to a stimulus.
• Responsiveness: The quality of reacting quickly and positively.

Antonyms

• Calmness: The state of being peaceful, quiet, and without worry.
• Composure: The state of being calm and in control of one's emotions.
• Insensitivity: Lack of sensitivity or reaction to stimuli.

Related Phrases and Concepts

• Lowered excitation threshold: A technical phrase describing the root of excitability, meaning it takes less stimulus to cause a reaction.
• Prone to excitement: A simpler phrase describing a person with high excitability.

Học thuật

Noun

1. being easily excited
2. excessive sensitivity of an organ or body part

Từ đồng nghĩa

• excitableness
• volatility
• irritability