Effects of cerebellar transcranial direct current stimulation on attentional processing of the stimulus: Evidence from an event-related potentials study

Neuropsychologia
Daniela MannarelliFrancesco Fattapposta

Abstract

Attentional processing consists of a set of processes that manage the flow of information through the nervous system and appropriately allocate attentional resources to relevant stimuli. Specific networks in the frontal and parietal regions appear to be involved in attention. The cerebellum has been identified as a subcortical structure that interacts with cortical brain areas, thereby controlling attentional processes. The aim of this study was to investigate the role of the cerebellum in attentional processing of the stimulus using a P300 Novelty task. We studied the effects of transcranial Direct Current Stimulation (tDCS) delivered over the left cerebellar hemisphere in cathodal, anodal and sham sessions on the P300 components in healthy subjects. Only cathodal cerebellar tDCS significantly reduced the amplitude of the N1, N2 and P3 components for both the target and novel stimuli. Moreover, N1 latency for all the stimuli was shorter after the cathodal tDCS session than after the sham or anodal sessions. These results point to a role of the cerebellum in attentional processing of the stimulus. The cerebellum may act indirectly by regulating and managing the activation and inhibition levels of the cortical areas involved in ...Continue Reading

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Citations

Mar 10, 2018·Journal of Neural Transmission·Daniela MannarelliFrancesco Fattapposta
Mar 16, 2019·Cerebellum & Ataxias·Roberto Rodríguez-LabradaYanetza González-Zaldivar
Jul 16, 2020·The Cerebellum·Daniela MannarelliFrancesco Fattapposta
Dec 30, 2016·The Cerebellum·Kim van DunPeter Mariën
Apr 24, 2018·Frontiers in Psychology·Noa Jacoby, Michal Lavidor
Apr 2, 2020·Bioelectronic Medicine·Bettina HabeltIvan Minev
Nov 1, 2020·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Katharina S RufenerTino Zaehle

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