EEG Microstates in Social and Affective Neuroscience

Schiller, Bastian; Sperl, Matthias F.J.; Kleinert, Tobias; Nash, Kyle; Gianotti, Lorena R. R.

doi:10.1007/s10548-023-00987-4

Cited by 11 publications

(12 citation statements)

References 117 publications

(140 reference statements)

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“…Microstate A has been associated with the Heschl's gyrus, Wernicke area, lingual gyrus and insula in the left hemisphere (Custo et al, 2017). This microstate is generally attributed to audio‐phonological processing (Britz et al, 2010) and linked to subjects' arousal (Schiller et al, 2023; Tarailis et al, 2023), although its functional significance remains a matter of debate (Milz et al, 2016). A recent study showed a decrease in microstate A temporal parameters during visual memory maintenance in the context of sound distraction, suggesting inhibition of auditory processing during the maintenance period (Korn et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…Regarding mindfulness studies, most of them suggest that meditation would impact microstate C (Bréchet et al, 2021; Faber et al, 2017; Panda et al, 2016; Zanesco, Skwara, et al, 2021), which has been associated with SN‐ and DMN‐related functions (Britz et al, 2010; Michel & Koenig, 2018) such as interoceptive‐automatic and self‐referential processes (Schiller et al, 2023). Notably, Panda et al (2016) reported an increase in the occurrence and duration of the DMN‐related microstate at rest in expert meditators compared with a non‐meditator group.…”

Section: Introductionmentioning

confidence: 99%

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Electroencephalography microstates highlight specific mindfulness traits

Zarka,

Cevallos,

Ruiz

et al. 2024

Eur J of Neuroscience

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The present study aimed to investigate the spontaneous dynamics of large‐scale brain networks underlying mindfulness as a dispositional trait, through resting‐state electroencephalography (EEG) microstates analysis. Eighteen participants had attended a standardized mindfulness‐based stress reduction training (MBSR), and 18 matched waitlist individuals (CTRL) were recorded at rest while they were passively exposed to auditory stimuli. Participants' mindfulness traits were assessed with the Five Facet Mindfulness Questionnaire (FFMQ). To further explore the relationship between microstate dynamics at rest and mindfulness traits, participants were also asked to rate their experience according to five phenomenal dimensions. After training, MBSR participants showed a highly significant increase in FFMQ score, as well as higher observing and non‐reactivity FFMQ sub‐scores than CTRL participants. Microstate analysis revealed four classes of microstates (A–D) in global clustering across all subjects. The MBSR group showed lower duration, occurrence and coverage of microstate C than the control group. Moreover, these microstate C parameters were negatively correlated to non‐reactivity sub‐scores of FFMQ across participants, whereas the microstate A occurrence was negatively correlated to FFMQ total score. Further analysis of participants' self‐reports suggested that MBSR participants showed a better sensory‐affective integration of auditory interferences. In line with previous studies, our results suggest that temporal dynamics of microstate C underlie specifically the non‐reactivity trait of mindfulness. These findings encourage further research into microstates in the evaluation and monitoring of the impact of mindfulness‐based interventions on the mental health and well‐being of individuals.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Electroencephalography microstates highlight specific mindfulness traits

Zarka,

Cevallos,

Ruiz

et al. 2024

Eur J of Neuroscience

View full text Add to dashboard Cite

show abstract

“…Microstates C, D, and E have been associated with core regions of top-down functional networks such as the default mode (DMN), the dorsal attention (DAN), and salience networks (SN) (Michel & Koenig, 2018). Cognitive and socio-affective manipulation manipulations significantly mediate DMN, DAN, and SN-associated microstates (Schiller et al, 2023;Tarailis et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

“…EEG microstate reveals the fast-changing temporal dynamics of resting state networks with high temporal resolution (Lehmann et al, 1987; Michel & Koenig, 2018). EEG microstate dynamics discriminate between different cognitive states like mental calculation, visualization, verbalization, and autobiographical memory, and socio-affective states and traits (Bréchet et al, 2019; Milz et al, 2016; Schiller et al, 2023; Seitzman et al, 2017; Tarailis et al, 2023). With a high degree of reproducibility, four (A-D) and seven EEG microstates (A-G) have been identified across many conditions and participants.…”

Section: Introductionmentioning

confidence: 99%

Valence-specific EEG microstate modulations during self-generated affective states

Nazare,

Tomescu

2023

Preprint

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We spend a significant part of our lives navigating emotionally charged mind-wandering states by spontaneously imagining the past or the future, which predicts general well-being. We investigated brain self-generated affective states using EEG microstate analysis to identify the temporal dynamics of underlying brain networks that sustain endogenous affective state activity. With this aim, we compared the temporal dynamics of five distinct microstates between baseline resting-state, positive (e.g., awe, contentment), and negative (e.g., anger, fear) affective self-generated states. We found affect-related modulations of B, C, and D dynamics. Microstates B and D were increased, while microstate C was decreased during negative and positive valence self-generated affective states. In addition, we found valence-specific mechanisms of spontaneous affective regulation. Negative valence self-generated affective states specifically modulate the increased presence of D microstates and decreased occurrence of E microstates compared to baseline and positive valence affective states. The self-generated positive valence affective states are characterized by more prevalent B and les present A microstates compared to both baseline and negative valence affective states. These findings provide valuable insights into the neurodynamic patterns of affective regulation and implications for developing biomarkers for therapeutic interventions in mood and anxiety disorders.

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In recent years, EEG microstates analysis has become a popular method to characterize the neural activity of the whole brain in both space and time domain. EEG microstates that usually last for 60-120 ms are transient, spatially stable and recurrent patterns of brain activity visible in the EEG signal (Schiller et al, 2023). In general, there exists four

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confidence: 99%

Causal link between prefrontal cortex and EEG microstates: evidence from patients with prefrontal lesion

Zhao,

Ran,

et al. 2023

Front. Neurosci.

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IntroductionAt present, elucidating the cortical origin of EEG microstates is a research hotspot in the field of EEG. Previous studies have suggested that the prefrontal cortex is closely related to EEG microstate C and D, but whether there is a causal link between the prefrontal cortex and microstate C or D remains unclear.MethodsIn this study, pretrial EEG data were collected from ten patients with prefrontal lesions (mainly located in inferior and middle frontal gyrus) and fourteen matched healthy controls, and EEG microstate analysis was applied.ResultsOur results showed that four classical EEG microstate topographies were obtained in both groups, but microstate C topography in patient group was obviously abnormal. Compared to healthy controls, the average coverage and occurrence of microstate C significantly reduced. In addition, the transition probability from microstate A to C and from microstate B to C in patient group was significantly lower than those of healthy controls.DiscussionThe above results demonstrated that the damage of prefrontal cortex especially inferior and middle frontal gyrus could lead to abnormalities in the spatial distribution and temporal dynamics of microstate C not D, showing that there is a causal link between the inferior and middle frontal gyrus and the microstate C. The significance of our findings lies in providing new evidence for elucidating the cortical origin of microstate C.

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EEG Microstates in Social and Affective Neuroscience

Cited by 11 publications

References 117 publications

Electroencephalography microstates highlight specific mindfulness traits

Electroencephalography microstates highlight specific mindfulness traits

Valence-specific EEG microstate modulations during self-generated affective states

Causal link between prefrontal cortex and EEG microstates: evidence from patients with prefrontal lesion

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