. "\"Any process that activates or increases the frequency, rate or extent of light-activated channel activity.\" [GOC:go_curators]" . . "positive regulation of light-activated channel activity" . "up regulation of light-activated channel activity" . "up-regulation of light-activated channel activity" . "upregulation of light-activated channel activity" . . . "activation of light-activated channel activity" . "stimulation of light-activated channel activity" .