Is auditory awareness negativity confounded by performance?

Eklund, Rasmus; Gerdfeldter, Billy; Wiens, Stefan

doi:10.1016/j.concog.2020.102954

Cited by 20 publications

(19 citation statements)

References 37 publications

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“…Because the early NCC is localized to sensory areas (Andersen et al, 2016;Eklund et al, 2020;Eklund & Wiens, 2019;Forschack et al, 2020;Koivisto & Revonsuo, 2010) and involves recurrent processing (Auksztulewicz & Blankenburg, 2013;Boehler et al, 2008), these findings support RPT. Furthermore, whereas global neuronal workspace theory AUDITORY AWARENESS IS LATERALIZED 4 emphasizes the role of late activity (LP) in awareness, RPT postulates that LP reflects only post-perceptual processing.…”

Section: Auditory Awareness Is Lateralizedmentioning

confidence: 55%

“…The procedure resembled that of our previous study (Eklund et al, 2020). Subjects performed a detection and discrimination task that comprised 800 trials (720 critical and 80 catch).…”

Section: Methodsmentioning

confidence: 99%

“…Then, psychophysical staircases were used to calibrate the left and right click separately to an intensity level at which an individual subject reported hearing the click (i.e, rated it as weakly or clearly audible) on approximately 50% of the trials; this level was designated the individual auditory awareness threshold for each click side. The staircase procedure and the calibration procedure was similar to that in our previous study (Eklund et al, 2020) except that each procedure contained 45 critical trials per click side.…”

Section: Methodsmentioning

confidence: 99%

“…The rationale for sample size and recruitment was similar as in our previous study (Eklund et al, 2020). Because departmental regulations restricted subject recruitment because of COVID-19, data collection was extended until October 2020.…”

Section: Participantsmentioning

confidence: 99%

“…Awareness was measured with the perceptual awareness scale (Sandberg et al, 2010). The almost clear rating was excluded, as in our previous research (Eklund et al, 2020;Eklund & Wiens, 2018, 2019.…”

Section: Apparatus and Stimulimentioning

confidence: 99%

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The early but not the late neural correlate of auditory awareness reflects lateralized experiences

Eklund¹,

Gerdfeldter²,

Wiens³

2020

Preprint

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Theories disagree as to whether it is the early or the late neural correlate of awareness plays a critical role in phenomenal awareness. According to recurrent processing theory, early activity in primary sensory areas should correspond closely to phenomenal awareness. In support, research with electroencephalography found that in vision, an early neural correlate of awareness (visual awareness negativity; VAN) is contralateral to stimulation, whereas a late neural correlate of awareness (late positivity; LP) does not appear to be lateralized. Thus, early activity (VAN) is sensitive to the perceived location of visual stimulation. Critically, it is unresolved whether this is true also for hearing. In the present study (N = 26 students), we found that the early neural correlate of awareness (auditory awareness negativity; AAN) was contralateral to auditory stimulation, whereas the LP was not. Because these findings match those in vision, they suggest that recurrent processing theory is valid across modalities.

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Section: Auditory Awareness Is Lateralizedmentioning

confidence: 55%

“…The procedure resembled that of our previous study (Eklund et al, 2020). Subjects performed a detection and discrimination task that comprised 800 trials (720 critical and 80 catch).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Participantsmentioning

confidence: 99%