Emotions and the Right Hemisphere: Editorial

Gainotti, Guido

doi:10.3390/brainsci11121579

Cited by 5 publications

(5 citation statements)

References 14 publications

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“…It is noteworthy that in both conditions the classical parieto-premotor territories of the mirror neuron network are activated, especially in the right hemisphere in the emotional condition and in the left hemisphere in the non-emotional one. The stronger right hemisphere activation is in line with the aforementioned evidence that this hemisphere is crucial to process emotions ( Gainotti 2021 ). In contrast, the stronger activation observed in the left hemisphere during the non-emotional condition seems to be related to the presence of verbal material.…”

Section: Discussionsupporting

confidence: 87%

“…These results indicate that, besides processing the emotional content, these subcortical sectors are also modulated by the form in which the emotion is expressed (high vs. low). It is important to note that, as already demonstrated by many neurological and functional studies regarding the emotional processing, the perception of emotional laughing mainly involved the right hemisphere ( Gainotti 2021 ).…”

Section: Discussionmentioning

confidence: 77%

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Investigating form and content of emotional and non-emotional laughing

et al. 2022

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As cold actions (i.e. actions devoid of an emotional content), also emotions are expressed with different vitality forms. For example, when an individual experiences a positive emotion, such as laughing as expression of happiness, this emotion can be conveyed to others by different intensities of face expressions and body postures. In the present study, we investigated whether the observation of emotions, expressed with different vitality forms, activates the same neural structures as those involved in cold action vitality forms processing. To this purpose, we carried out a functional magnetic resonance imaging study in which participants were tested in 2 conditions: emotional and non-emotional laughing both conveying different vitality forms. There are 3 main results. First, the observation of emotional and non-emotional laughing conveying different vitality forms activates the insula. Second, the observation of emotional laughing activates a series of subcortical structures known to be related to emotions. Furthermore, a region of interest analysis carried out in these structures reveals a significant modulation of the blood-oxygen-leveldependent (BOLD) signal during the processing of different vitality forms exclusively in the right amygdala, right anterior thalamus/hypothalamus, and periaqueductal gray. Third, in a subsequent electromyography study, we found a correlation between the zygomatic muscles activity and BOLD signal in the right amygdala only.

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Section: Discussionsupporting

confidence: 87%

Section: Discussionmentioning

confidence: 77%

Investigating form and content of emotional and non-emotional laughing

et al. 2022

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“…It is widely known that the brain has partial lateralization, with the left hemisphere primarily responsible for word processing and the right hemisphere playing a critical role in emotion processing [ 44 ]. Some scholars have suggested that emotional words can induce corresponding emotions, and unattended emotional words tend to receive priority in attentional resource competition, leading to attention bias [ 45 ]. As a result, negative stimuli can elicit stronger emotional effects in the right hemisphere [ 46 ].…”

Section: Discussionmentioning

confidence: 99%

Negative bias in early and late cognitive processing of coronary heart disease patients with depressive symptoms: an EPR study

Chen

Li²

2023

BMC Psychiatry

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Background The purpose of this research was to explore the underlying mechanisms of cognitive impairments in patients with coronary heart disease (CHD) who exhibit depressive symptoms. This was accomplished by recording Event-related potentials (ERPs) during the emotional Stroop task, with a specific focus on the temporal dynamics of attentional bias towards various emotional words. Methods We selected 17 CHD patients with depressive symptoms and 23 CHD patients without depression using a convenience sampling method from the Affiliated Hospital of Weifang Medical University. Each participant completed an emotional Stroop color-word task, and ERPs were recorded during the task to examine cognitive processing. Results CHD patients with depressive symptoms exhibited generally smaller amplitudes of N1, N2, P3 and longer latency of P3 compared to CHD patients without depression. Specifically, the N1 amplitude of negative words was smaller and the P3 amplitude of negative words was larger in the CHD with depressive group compared to the CHD group. Furthermore, within the group of CHD patients with depressive symptoms, negative words elicited a smaller N1 amplitude and larger P3 amplitude compared to positive and neutral words. Conclusions CHD patients with depressive symptoms demonstrate decreased attentional resources, leading to cognitive impairments. Notably, significant attentional bias occurs during both early and later stages of cognitive processing. This bias is primarily characterized by an enhanced automatic processing of negative information at the early stage and difficulty disengaging from such information at the later stage. These findings contribute to the existing literature on the cognitive neural mechanisms underlying depression in CHD patients.

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“…Previous research has shown that both emotions (Gainotti, 2021) and music (Wang & Agius, 2018) are processed predominantly by the right hemisphere (RH), and that these functions are inextricably linked (Trimble & Hesdorffer, 2017). In a study by Blood et al (1999), participants listened to pleasant and unpleasant (dissonant) music while changes in cerebral blood flow were measured using positron emission tomography (PET).…”

Section: Music and Emotion Lateralizationmentioning

confidence: 99%

The effect of dichotic music presentation on ratings of emotional facial expressions

Hae

Hatin

2022

Musicae Scientiae

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Music has a cross-modal influence on the emotional appraisal of pictures, probably due to a misattribution of emotion from music to the visually perceived images. Moreover, dichotic listening studies have demonstrated a left-ear (right-hemisphere) advantage for processing emotional and/or musical stimuli. The present study investigated the role of laterality in cross-modal affect misattribution: that is, whether visual judgments of emotion would be affected differently depending on which ear was presented with music via the dichotic listening task. Participants rated the emotionality of happy, sad, and neutral faces while listening to happy or sad music in one ear and white noise in the other. Baseline ratings without music were used as a comparison to see whether and how emotionality judgments shifted in the music conditions. As predicted, the results showed that happy music played to the left ear had a stronger cross-modal influence on ratings of sad faces than the same music played to the right ear. Furthermore, sad music affected the ratings of all faces regardless of whether it was played to the left or right ear. These results do not fully align with any given lateralized model of emotion processing, suggesting that other factors such as negativity bias may play a role.

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Emotions and the Right Hemisphere: Editorial

Abstract: The hypothesis assuming that the right hemisphere may play a critical role in emotional processing was raised by clinical data which showed that patients with right brain lesions often show abnormal patterns of emotional behavior [...]

Cited by 5 publications

References 14 publications

Investigating form and content of emotional and non-emotional laughing

Investigating form and content of emotional and non-emotional laughing

Negative bias in early and late cognitive processing of coronary heart disease patients with depressive symptoms: an EPR study

The effect of dichotic music presentation on ratings of emotional facial expressions

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