EVEN WITH TIME, CONFLICT ADAPTATION IS NOT MADE OF EXPECTANCIES

• Main Authors: Luis eJimenez, Amavia eMéndez
• Format: Article
• Language: English
• Published: Frontiers Media S.A. 2014-09-01
• Series: Frontiers in Psychology
• Subjects: cognitive control; Stroop task; conflict adaptation; reactive control; expectancies; sequential congruency
• Online Access: http://journal.frontiersin.org/Journal/10.3389/fpsyg.2014.01042/full

In conflict tasks, congruency effects are modulated by the sequence of preceding trials. This modulation has been interpreted as a strategic reconfiguration of cognitive control, depending on the amount of conflict encountered on the very last trial, and occurring unconditionally whenever there is time to produce it (Notebaert, Gevers, Verbruggen & Liefooghe, 2006). Jiménez and Méndez (2013) arranged a 4-choice Stroop task with a response-to-stimulus interval (RSI) of 0 ms, and they found that, under these conditions, congruency effects may become dissociated from the explicit expectancies assessed over analogous, but independent, trials. The present study generalizes this phenomenon to a condition with larger RSI, and it shows that participants’ performance does not rely on expectancies unless the task includes a specific requirement to generate and report on these expectancies. The results are interpreted as providing new insights with respect to the status of conflict adaptation effects.