Valence specific laterality effects in prosody: Expectancy account and the effects of morphed prosody and stimulus lead

Rodway, Paul; Schepman, Astrid

doi:10.1016/j.bandc.2006.07.008

Cited by 27 publications

(16 citation statements)

References 50 publications

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“…Based on the right hemisphere hypothesis, we would expect emotion effects to be stronger for imperative stimuli presented in the LVF. However, because response inhibition depends on top-down control processes, it might be sensitive to emotional valence [22,23,28]. If so, we predict stronger effects of negative stimuli in the LVF, and stronger effects of positive stimuli in the RVF.…”

Section: Introductionmentioning

confidence: 74%

“…For decades, researchers have tried to determine which hypothesis better explains emotional asymmetry [18][19][20][21]. Rather than pitting these hypotheses against each other, recent research has been based on the premise that both might be correct, and has instead focused on the situations in which emotion-based or valence-based processing might arise [22][23][24].…”

Section: Introductionmentioning

confidence: 99%

“…This asymmetry has been linked to both emotional valence (positive/negative) [25,26] and motivational direction (approach/withdrawal) [27], although valence-related asymmetries are sometimes also reported in perception. Schepman and colleagues have argued that valence effects should emerge when tasks include top-down processing (for example, related to expectancies) that engage frontal emotional processing networks [22,23]. Grimshaw and Carmel [28] have further argued that prefrontal asymmetries in emotional processing may not reflect emotional experience, but the top-down control of emotional information, with the left hemisphere specialised for the inhibition or control of negative information, and the right for inhibition or control of positive emotion.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Emotional Valence on Hemispheric Asymmetries in Response Inhibition

et al. 2017

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Hemispheric asymmetries are a major organizational principle in human emotion processing, but their interaction with prefrontal control processes is not well understood. To this end, we determined whether hemispheric differences in response inhibition depend on the emotional valence of the stimulus being inhibited. Participants completed a lateralised Go/Nogo task, in which Nogo stimuli were neutral or emotional (either positive or negative) images, while Go stimuli were scrambled versions of the same pictures. We recorded the N2 and P3 event-related potential (ERP) components, two common electrophysiological measures of response inhibition processes. Behaviourally, participants were more accurate in withholding responses to emotional than to neutral stimuli. Electrophysiologically, Nogo-P3 responses were greater for emotional than for neutral stimuli, an effect driven primarily by an enhanced response to positive images. Hemispheric asymmetries were also observed, with greater Nogo-P3 following left versus right visual field stimuli. However, the visual field effect did not interact with emotion. We therefore find no evidence that emotion-related asymmetries affect response inhibition processes.

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Section: Introductionmentioning

confidence: 74%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Emotional Valence on Hemispheric Asymmetries in Response Inhibition

et al. 2017

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“…In the literature, right-hemisphere superiority has repeatedly been reported for the processing of facial emotional expressions and also for prosodic emotional expressions (Dimberg & Petterson, 2000;Kucharska-Pietura, Phillips, Gernand, & David, 2003;Ross, Edmondson, Seibert, & Homan, 1988). Rodway and Schepman (2007) observed a right-hemisphere advantage for genuine emotional prosody (cf. Herrero & Hillix, 1990;Ley & Bryden, 1982;Schmitt, Hartje, & Willmes, 1997), but not for morphed emotional prosody (fundamental frequency of emotional utterances taken and imposed on initially neutral utterances) in a dichotic listening paradigm.…”

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confidence: 88%

Peripheral responses to attended and unattended angry prosody: A dichotic listening paradigm

et al. 2011

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We investigated the effects of angry prosody, varying focus of attention, and laterality of presentation of angry prosody on peripheral nervous system activity. Participants paid attention to either their left or their right ear while performing a sex discrimination task on dichotically presented pseudo-words. These pseudo-words were characterized by either angry or neutral prosody and presented stereophonically (anger/neutral, neutral/anger, or neutral/neutral, for the left/ right ear, respectively). Reaction times and physiological responses (heart period, skin conductance, finger and forehead temperature) in this study were differentially sensitive to the effects of anger versus neutral prosody, varying focus of attention, and laterality of presentation of angry prosody.

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“…Various accounts have been proposed to explain the emergence of valence-specific effects in facial emotion perception (see Alves, et al 2009;Borod, 1993;Bourne, 2010;Davidson, 1984;Fusar-Poli, Placentino, Carletti et al, 2009;Killgore & Yurgelun-Todd, 2007;Rodway & Schepman, 2007). In general it is suggested that valence effects emerge because of additional factors, other than the perception of emotion, that are involved in emotion discrimination.…”

Section: Introductionmentioning

confidence: 99%

Identifying facial emotions: Valence specific effects and an exploration of the effects of viewer gender

Jansari

Rodway

Goncalves

2011

Brain and Cognition

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The valence hypothesis suggests that the right hemisphere is specialised for negative emotions and the left hemisphere is specialised for positive emotions (Silberman & Weingartner, 1986). It is unclear to what extent valence-specific effects in facial emotion perception depend upon the gender of the perceiver. To explore this question 46 participants completed a free view lateralised emotion perception task which involved judging which of two faces expressed a particular emotion. Eye fixations of 24 of the participants were recorded using an eye tracker. A significant valencespecific laterality effect was obtained, with positive emotions more accurately identified when presented to the right of centre, and negative emotions more accurately identified when presented to the left of centre. The valence-specific laterality effect did not depend on the gender of the perceiver. Analysis of the eye tracking data showed that males made more fixations while recognising the emotions and that the left-eye was fixated substantially more than the right-eye during emotion perception. Finally, in a control condition where both faces were identical, but expressed a faint emotion, the participants were significantly more likely to select the right side when the emotion label was positive. This finding adds to evidence suggesting that valence effects in facial emotion perception are not only caused by the perception of the emotion but by other processes.

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Valence specific laterality effects in prosody: Expectancy account and the effects of morphed prosody and stimulus lead

Cited by 27 publications

References 50 publications

Effects of Emotional Valence on Hemispheric Asymmetries in Response Inhibition

Effects of Emotional Valence on Hemispheric Asymmetries in Response Inhibition

Peripheral responses to attended and unattended angry prosody: A dichotic listening paradigm

Identifying facial emotions: Valence specific effects and an exploration of the effects of viewer gender

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