different between saccade vs microsaccade

English

Etymology

From French saccade.

Pronunciation

• IPA^(key): /s??k??d/

Noun

saccade (plural saccades)

1. (rare) A sudden jerking movement.
2. A rapid jerky movement of the eye (voluntary or involuntary) from one focus to another.
   • 1993, Will Self, My Idea of Fun:

     He added the bill with a single saccade of his pulsing eyes.

   • 2000, Tim Radford, The Guardian, 21 Nov 2000:

     Then 130 milliseconds or thousandths of a second later, each made a "saccade" - an extremely fast eye movement - to roughly where the ball was likely to bounce.
3. The act of checking a horse quickly with a single strong pull of the reins.
4. (music) The sounding of two violin strings together by using a sudden strong pressure of the bow.

Derived terms

Translations

Verb

saccade (third-person singular simple present saccades, present participle saccading, simple past and past participle saccaded)

1. (of the eye) To make a rapid jerking movement to focus elsewhere.

See also

• eyetracking
• scanpath

Anagrams

• Cascade, cascade

French

Etymology

From saquer or its Spanish cognate sacar.

Pronunciation

• IPA^(key): /sa.kad/

Noun

saccade f (plural saccades)

1. a jerk (jerking movement)
2. a rapid jerky movement of the eye (voluntary or involuntary) from one focus to another
3. the act of checking a horse quickly with a single strong pull of the reins

Derived terms

• ronfler par saccades

Verb

saccade

1. first-person singular present indicative of saccader
2. third-person singular present indicative of saccader
3. first-person singular present subjunctive of saccader
4. third-person singular present subjunctive of saccader
5. second-person singular imperative of saccader

Further reading

• “saccade” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• accédas, cascade, cascadé

English

Etymology

micro +? saccade

Noun

microsaccade (plural microsaccades)

1. A small, jerky eye movement that is a part of normal vision when fixating on an image, which seems to play a role in visual perception.

Related terms

• saccade
• macrosaccade

Derived terms

• microsaccadic