Transcranial Direct Current Stimulation. Chris Rorden www.mricro.com www.cabiatl.com Method Designs Safety. tDCS vs TMS. Transcranial magnetic stimulation Relatively expensive (~$50,000). Moderate sized effects (e.g. mild speech arrest).
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Bindman et al. (1964)
Baudewig et al. (2003)
Nitsche et al. (2003)
Dockery et al. (2009)
Can a horse perform arithmetic?
Actually, animal was responding to body language of human observers.
tDCS effects are small.
Small effects vulnerableto experimenter demand.
Double-blind rare but crucial.
I personally remain scepticalof many findings: we need scientific rigor.