The observing subject and psychophysiological research: an epistemological discourse.

Realizing that scientific knowledge was not based on a simple disclosure of reality, but was rather invented and developed in accordance with our own conceptions and prejudices, it should no longer be possible to consider matters as if they existed independently of us 'out there'. Taking as examples the notions of 'memory' and 'information' we try to elucidate the relevance this perspective has with respect to neuro- and psychophysiological research.