In the scope of the research project 122/14 - Internal and External World in Parietal Cortexsupported by the BIAL Foundation, Paolo Capotosto and collaborators published the paper Temporal dynamics of TMS interference over preparatory alpha activity during semantic decisions in the journal Scientific Reports.
“Anticipatory EEG alpha (8-12 Hz) power de-synchronization (ERD), a robust electrophysiological correlate of task anticipation, tends to increase and to peak just before target presentation in paradigm using a fixed period between warning and target stimuli. During a semantic decision task, we report that transcranial magnetic stimulation (TMS) of left angular gyrus (AG) shortened the peak latency and decreased the peak amplitude of the anticipatory alpha ERD, thus supporting the causal role of the AG in the anticipation of a semantic decision task and suggesting that TMS interrupts the typical alpha ERD temporal evolution in paradigms employing fixed cue-target intervals."
