Alpha3/alpha2 power ratios relate to performance on a virtual reality shopping task in ageing adults

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SUMMARY

    One promising EEG marker is the elevated relative power ratio of the high and lower alpha (α3/α2) band (Moretti et_al, 2007). To establish the relationship between these functional behavioural measures and EEG marker of cognition, the authors assess whether participants with a higher α3/α2 ratio have a lower performance on cognitive measures assessed by VStore and Cogstate. As per previous research (Moretti et_al, 2012, 2013; Moretti, 2015b), the authors then grouped α3/α2 power ratios according to increasing tertiles. In MCI those with a high α3/α2 power ratio, cognitive test performance . . .

     

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