- Adrià Vilà-Balló,
- Juha Salmi,
- Anna Soveri,
- Antoni Rodríguez-Fornells,
- Minna Lehtonen,
- Matti Laine
Biol Psychol 2018 Jan 12. Epub 2018 Jan 12.
Department of Psychology, Åbo Akademi University, Tehtaankatu 2, Turku 20500, Finland; Brain and Mind Center, University of Turku, Finland.
Although working memory (WM) is amongst the most studied neurocognitive functions, temporal patterns of its component processes are not fully understood. We examined the neural underpinnings of active maintenance and interference management in the n-back task by manipulating load (1-back vs 3-back) and including so-called lure stimuli. ERPs of 27 young adults revealed that the 1-back condition enabling active maintenance showed a positive slow wave (PSW) prior to the next stimulus (-600-0 ms) and augmented P2 (190-290 ms) and P3b (330-430 ms) responses after the stimulus appeared, albeit the latter effects were driven by the initial PSW. Read More