P300 and the word frequency effect.

  title={P300 and the word frequency effect.},
  author={John Polich and Emanuel Donchin},
  journal={Electroencephalography and clinical neurophysiology},
  volume={70 1},
In a lexical decision paradigm subjects viewed character strings and indicated if they were true words. Half of the stimulus words occur frequently and half occur infrequently in printed English. The probability that a stimulus was a true word varied across conditions. Event-related brain potentials (ERPs) and reaction time (RT) were recorded. The latency of the P300 ERP was used to estimate stimulus evaluation time independently of factors influenced by response selection and execution… CONTINUE READING

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