Effects of emotional decorative pictures on cognitive load as assessed by pupil dilation and <scp>EEG</scp> frequency band power

Scharinger, Christian

doi:10.1002/acp.4087

Cited by 3 publications

(2 citation statements)

References 112 publications

(185 reference statements)

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“…A larger alpha ERD has been observed for unpleasant compared to neutral images (Cui et al, 2013;De Cesarei & Codispoti, 2011;Ferrari et al, 2015Ferrari et al, , 2020Ferrari et al, , 2022Meng et al, 2016;Messerotti Benvenuti et al, 2019;Parvaz et al, 2015;Scharinger, 2023;Schubring et al, 2020, Exp. 2 and 3;Wang et al, 2021), but also for pleasant compared to neutral pictures (Cui et al, 2013;De Cesarei & Codispoti, 2011;Ferrari et al, 2015Ferrari et al, , 2020Ferrari et al, , 2022Messerotti Benvenuti et al, 2019;Schupp, 2019, 2021, in Exp 1. and3;Wang et al, 2021).…”

Section: Negative Bias In Affective Modulation Of Alpha Erd?mentioning

confidence: 98%

“…Across studies, the processing of emotional, compared to neutral, pictures was reliably associated with an enhanced power decrease in the alpha band ("emotional modulation of alpha ERD" hereafter) over posterior sensors 1 (see Figure 1; Cui et al, 2013;De Cesarei & Codispoti, 2011;Ferrari et al, 2015Ferrari et al, , 2020Ferrari et al, , 2022Meng et al, 2016;Messerotti Benvenuti et al, 2019;Murphy et al, 2020;Parvaz et al, 2015;Scharinger, 2023;Schubring & Schupp, 2019Simons et al, 2003;Wang et al, 2021).…”

Section: Emotional Processing Of Natural Scenes and Alpha Changesmentioning

confidence: 99%

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Alpha‐band oscillations and emotion: A review of studies on picture perception

Codispoti,

De Cesarei,

Ferrari

2023

Psychophysiology

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Although alpha‐band activity has long been a focus of psychophysiological research, its modulation by emotional value during picture perception has only recently been studied systematically. Here, we review these studies and report that the most consistent alpha oscillatory pattern indexing emotional processing is an enhanced desynchronization (ERD) over posterior sensors when viewing emotional compared with neutral pictures. This enhanced alpha ERD is not specific to unpleasant picture content, as previously proposed for other measures of affective response, but has also been observed for pleasant stimuli. Evidence suggests that this effect involves a desynchronization of the upper alpha band and of the lower beta frequencies (10–20 Hz). The emotional modulation of alpha ERD occurs even after massive stimulus repetition and when emotional cues serve as task‐irrelevant distractors, consistent with the hypothesis that evaluative processes are mandatory in emotional picture processing. A similar enhanced ERD has been observed for other significant cues (e.g., conditioned aversive stimuli, or in anticipation of a potential threat), suggesting that it reflects cortical excitability associated with the engagement of the motivational systems.

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Section: Negative Bias In Affective Modulation Of Alpha Erd?mentioning

confidence: 98%

Section: Emotional Processing Of Natural Scenes and Alpha Changesmentioning

confidence: 99%

Alpha‐band oscillations and emotion: A review of studies on picture perception

Codispoti,

De Cesarei,

Ferrari

2023

Psychophysiology

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A WPSD-Based Feature Extraction Method of EEG Signal for Motor Imagination

Shi,

Wang,

Liu

et al. 2023

2023 3rd International Conference on Computer Science, Electronic Information Engineering and Intelligent Control Technology (C

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Improved emotion differentiation under reduced acoustic variability of speech in autism

Duville,

Alonso-Valerdi,

Ibarra-Zarate

2024

BMC Med

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Background Socio-emotional impairments are among the diagnostic criteria for autism spectrum disorder (ASD), but the actual knowledge has substantiated both altered and intact emotional prosodies recognition. Here, a Bayesian framework of perception is considered suggesting that the oversampling of sensory evidence would impair perception within highly variable environments. However, reliable hierarchical structures for spectral and temporal cues would foster emotion discrimination by autistics. Methods Event-related spectral perturbations (ERSP) extracted from electroencephalographic (EEG) data indexed the perception of anger, disgust, fear, happiness, neutral, and sadness prosodies while listening to speech uttered by (a) human or (b) synthesized voices characterized by reduced volatility and variability of acoustic environments. The assessment of mechanisms for perception was extended to the visual domain by analyzing the behavioral accuracy within a non-social task in which dynamics of precision weighting between bottom-up evidence and top-down inferences were emphasized. Eighty children (mean 9.7 years old; standard deviation 1.8) volunteered including 40 autistics. The symptomatology was assessed at the time of the study via the Autism Diagnostic Observation Schedule, Second Edition, and parents’ responses on the Autism Spectrum Rating Scales. A mixed within-between analysis of variance was conducted to assess the effects of group (autism versus typical development), voice, emotions, and interaction between factors. A Bayesian analysis was implemented to quantify the evidence in favor of the null hypothesis in case of non-significance. Post hoc comparisons were corrected for multiple testing. Results Autistic children presented impaired emotion differentiation while listening to speech uttered by human voices, which was improved when the acoustic volatility and variability of voices were reduced. Divergent neural patterns were observed from neurotypicals to autistics, emphasizing different mechanisms for perception. Accordingly, behavioral measurements on the visual task were consistent with the over-precision ascribed to the environmental variability (sensory processing) that weakened performance. Unlike autistic children, neurotypicals could differentiate emotions induced by all voices. Conclusions This study outlines behavioral and neurophysiological mechanisms that underpin responses to sensory variability. Neurobiological insights into the processing of emotional prosodies emphasized the potential of acoustically modified emotional prosodies to improve emotion differentiation by autistics. Trial registration BioMed Central ISRCTN Registry, ISRCTN18117434. Registered on September 20, 2020.

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Effects of emotional decorative pictures on cognitive load as assessed by pupil dilation and EEG frequency band power

Cited by 3 publications

References 112 publications

Alpha‐band oscillations and emotion: A review of studies on picture perception

Alpha‐band oscillations and emotion: A review of studies on picture perception

A WPSD-Based Feature Extraction Method of EEG Signal for Motor Imagination

Improved emotion differentiation under reduced acoustic variability of speech in autism

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