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A number of studies have reported evidence that participants with a higher EEG peak alpha frequency are able to detect the presence of two flashes separated by short intervals, whereas those with slower alpha report only one flash. Other studies have not found this correlation. We investigated potential factors that might mask the relationship between individual alpha frequency and visual perception. We recorded resting-state EEG from a large sample of participants (n = 50) and measured the temporal resolution of visual perception with the two-flash fusion task. We found that individual alpha frequency over posterior channels predicted the two-flash fusion threshold, in line with previous studies, but this correlation was significant only when taking into account the steepness of the psychophysical curve of the two-flash task. Participants with a relatively shallow psychophysical curve, likely reflecting high sensory and\/or decision noise, failed to show this relationship. These findings replicate previous reports of a correlation between alpha frequency and visual temporal resolution, while also suggesting that an explanation of two-flash fusion performance that neglects the role of internal noise might be insufficient to account for all individual differences.<\/jats:p>","DOI":"10.1162\/jocn_a_01993","type":"journal-article","created":{"date-parts":[[2023,4,12]],"date-time":"2023-04-12T15:35:59Z","timestamp":1681313759000},"page":"590-601","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":30,"title":["Correlations between Visual Temporal Resolution and Individual Alpha Peak Frequency: Evidence that Internal and Measurement Noise Drive Null Findings"],"prefix":"10.1162","volume":"36","author":[{"given":"Michele","family":"Deodato","sequence":"first","affiliation":[{"name":"New York University Abu Dhabi, United Arab Emirates"}]},{"given":"David","family":"Melcher","sequence":"additional","affiliation":[{"name":"New York University Abu Dhabi, United Arab Emirates"}]}],"member":"281","published-online":{"date-parts":[[2024,4,1]]},"reference":[{"key":"2024031117561642900_bib1","doi-asserted-by":"publisher","first-page":"1043","DOI":"10.1121\/1.416290","article-title":"Development of auditory information integration abilities","volume":"100","author":"Allen","year":"1996","journal-title":"Journal of the Acoustical Society of America"},{"key":"2024031117561642900_bib2","doi-asserted-by":"publisher","first-page":"3040","DOI":"10.1111\/ejn.15264","article-title":"Shared resources between visual attention and visual working memory are allocated through rhythmic sampling","volume":"55","author":"Balestrieri","year":"2022","journal-title":"European Journal of Neuroscience"},{"key":"2024031117561642900_bib3","doi-asserted-by":"publisher","first-page":"3447","DOI":"10.1016\/j.celrep.2019.05.072","article-title":"Dynamic modulation of cortical excitability during visual active sensing","volume":"27","author":"Barczak","year":"2019","journal-title":"Cell Reports"},{"key":"2024031117561642900_bib4","doi-asserted-by":"publisher","first-page":"1765","DOI":"10.3389\/FPSYG.2020.01765","article-title":"The effect of alpha tACS on the temporal resolution of visual perception","volume":"11","author":"Battaglini","year":"2020","journal-title":"Frontiers in Psychology"},{"key":"2024031117561642900_bib5","doi-asserted-by":"publisher","first-page":"11016","DOI":"10.1523\/JNEUROSCI.0210-11.2011","article-title":"How ongoing neuronal oscillations account for evoked fMRI variability","volume":"31","author":"Becker","year":"2011","journal-title":"Journal of Neuroscience"},{"key":"2024031117561642900_bib6","doi-asserted-by":"publisher","first-page":"20170280","DOI":"10.1098\/RSTB.2017.0280","article-title":"Measuring and understanding individual differences in cognition","volume":"373","author":"Boogert","year":"2018","journal-title":"Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences"},{"key":"2024031117561642900_bib7","doi-asserted-by":"publisher","first-page":"202","DOI":"10.1007\/978-3-642-88658-4_9","article-title":"Discrimination of homogeneous double pulses of light","volume-title":"Visual psychophysics. 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