Abrahamyan, Arman; Clifford, Colin W. G.; Ruzzoli, Manuela; Phillips, Dan; Arabzadeh, Ehsan; Harris, Justin A.
To calibrate the intensity of transcranial magnetic stimulation (TMS) at the occipital pole, the phosphene threshold is used as a measure of cortical excitability. The phosphene threshold (PT) refers to the intensity of magnetic stimulation that induces illusory flashes of light (phosphenes) on a proportion of trials. The existing PT estimation procedures lack the accuracy and mathematical rigour of modern threshold estimation methods. We present an improved and automatic procedure for...[Show more]
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