not periodic; irregular.
Physics. of or relating to vibrations or oscillations with no apparent period.
- a·pe·ri·od·i·cal·ly, adverb
- a·pe·ri·o·dic·i·ty [ey-peer-ee-uh-dis-i-tee], /eɪˌpɪər i əˈdɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use aperiodic in a sentence
In their paper, Lendner and her co-authors argue that aperiodic signals can serve as a unique signature to measure a person’s state of consciousness.
Voytek’s code has driven a lot of recent research, but it isn’t the only game in town for aperiodic noise analysis.
In a new paper published in Developmental Cognitive Neuroscience, Schaworonkow and Voytek found large changes in aperiodic activity during the first seven months of life.
This gives neuroscientists a new tool to dissect both the regular waves and the aperiodic activity in order to disentangle their roles in behavior, cognition and disease.
With Voytek’s software, Lendner and her colleagues found that in the aperiodic noise of test subjects’ EEGs, the high-frequency activity dropped off faster during REM sleep than when they were awake.
British Dictionary definitions for aperiodic
not periodic; not occurring at regular intervals
(of a system or instrument) being damped sufficiently to reach equilibrium without oscillation
(of an oscillation or vibration) not having a regular period
(of an electrical circuit) not having a measurable resonant frequency
- aperiodically, adverb
- aperiodicity (ˌeɪpɪərɪəˈdɪsɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012