hyperexcitability
hyperexcitability — 名詞
1. a medical condition in which nerve cells or muscle fibres respond much more stro
過度興奮性
神經或肌肉對刺激反應異常強烈的狀態
a medical condition in which nerve cells or muscle fibres respond much more strongly than usual to normal signals such as touch, sound, or electrical messages — for example, a muscle that twitches at even a light touch, or brain cells that fire too easily when a person hears a sudden noise
After the accident, Yasmin's left arm muscles showed hyperexcitability, twitching even at a light touch.
意外之後，Yasmin 左臂的肌肉出現過度興奮性，連輕輕碰觸都會抽動。
hyperexcitability + of + body part (muscles)
Doctors found hyperexcitability of nerve cells in Haruto's brain, causing strong reactions to sound.
醫生發現 Haruto 腦部神經細胞有過度興奮性，導致他對聲音產生強烈反應。
The new medication helped reduce hyperexcitability in Diego's nerve fibres, stopping the sudden leg cramps.
這種新藥物有助於降低 Diego 神經纖維的過度興奮性，減少了腿部突然抽筋的情況。
Hyperexcitability of spinal nerves can make a soft sheet feel painful against bare skin.
脊髓神經的過度興奮性，可能連柔軟的床單碰到皮膚都會感到疼痛。
Without treatment, hyperexcitability in the facial muscles caused Elena's eyelid to twitch every few minutes.
若不治療，臉部肌肉的過度興奮性會導致 Elena 的眼瞼每隔幾分鐘就抽動一次。
- overexcitability
Less technical and sometimes used for emotional states; hyperexcitability is specifically physiological and clinical
- hypersensitivity
Broader term covering allergies and sensory sensitivity, not limited to nerve/muscle response
- hyperirritability
Closest medical synonym, often used interchangeably in neurology for nerve-tissue over-response
- hypoexcitability
The opposite state where nerve cells or muscles respond less than normally to stimuli
文法句型
hyperexcitability + of + affected tissue/system
用法筆記
Almost exclusively used in medical and scientific writing, not in casual conversation. The word is followed by 'of' to specify the affected tissue ('hyperexcitability of nerve cells') or by 'in' to specify the body area ('hyperexcitability in the spinal cord').