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      Beyond establishing involvement: quantifying the contribution of anticipatory alpha- and beta-band suppression to perceptual improvement with attention

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      Creators
      Fransen, A.M.M.
      Ede, F.L. van
      Maris, E.G.G.
      Date of Archiving
      2016
      Archive
      Radboud Data Repository
      Data archive handle
      https://hdl.handle.net/11633/di.dcc.DSC_DCC.2016.00249_262
      Related publications
      Identifying neuronal oscillations using rhythmicity  
      Beyond establishing involvement: quantifying the contribution of anticipatory alpha- and beta-band suppression to perceptual improvement with attention  
      Publication type
      Dataset
      Access level
      Restricted access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/203838   https://hdl.handle.net/2066/203838
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      Organization
      SW OZ DCC SMN
      SW OZ DCC CO
      Audience(s)
      Life sciences
      Languages used
      English
      Key words
      behavioral relevance; somatosensory perception; Psychological Phenomena and Processes; Psychophysiology; Arousal; Attention; Investigative Techniques; Magnetometry; Magnetoencephalography; attentional orienting; neuronal oscillations; magnetoencephalography
      Abstract
      Systems and cognitive neuroscience aim at understanding the neurophysiological mechanisms that underlie cognition and behavior. Many studies have revealed the involvement of many types of neural signals in diverse cognitive and behavioral phenomena. Here, we go beyond establishing such involvement and address two fundamental, yet largely unaddressed, questions: 1) exactly how much does a given neural signal contribute to a cognitive or behavioral phenomenon of interest; and 2) to what extent are distinct neural signals independently related to this phenomenon? We recorded brain activity using magnetoencephalography while human participants performed a cued somatosensory detection task. Using a novel method, we then quantified the contribution (in a predictive but not causal sense) of two well-established neural phenomena to the improvement in perception with attentional orienting. In our sample, the anticipatory suppression of extracranially recorded oscillatory - and -band amplitudes from contralateral primary somatosensory cortex could account for maximally 29
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      • Datasets [1229]
      • Faculty of Social Sciences [27106]
       
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