Electrophysiological correlates of multiple object processing

........................................................................................................................... 7 Chapter 1 ......................................................................................................................... 9 1.1 Experimental paradigms for the study of multiple object processing .............. 11 1.1.1 Reviewing paradigm ....................................................................................... 11 1.1.2 Multiple object tracking ................................................................................. 14 1.1.3 Enumeration tasks ......................................................................................... 16 1.2 Theories of multiple object processing ................................................................. 20 1.2.1 The FINSTs theory ......................................................................................... 21 1.2.2 The object-file theory ..................................................................................... 25 1.2.3 The neural object-file theory .......................................................................... 27 1.3 Electrophysiological correlates of multiple object processing ........................... 29 1.3.1 N2pc ............................................................................................................... 29 1.3.2 CDA ................................................................................................................ 32 1.4 Rationale of the present thesis .............................................................................. 34 Chapter 2 ....................................................................................................................... 37 2.1 Experiment 1........................................................................................................... 37 2.1.1 Methods .......................................................................................................... 43 2.1.1.1 Participants ................................................................................................. 43 2.1.1.2 Stimuli and procedure ................................................................................. 43 2.1.1.3 EEG recording and data analysis ............................................................... 44 2.1.2 Results ............................................................................................................ 47 2.1.2.1 Behavioral results ....................................................................................... 47 2.1.2.1.1 RTs ........................................................................................................... 47 2.1.2.1.2 Accuracy ............................................................................................... 48 2.1.2.2 ERP results ................................................................................................. 49 2.1.2.2.1 N1 ......................................................................................................... 49 2.1.2.2.2 P2p ....................................................................................................... 50 2.1.2.2.3 N2pc ..................................................................................................... 51 2.1.2.2.4 CDA ...................................................................................................... 51 2.1.2.3 Group analysis ............................................................................................ 51 2.1.2.4 Correlational analyses ................................................................................ 54 2.1.3 Discussion ....................................................................................................... 56 2.2 Experiment 2........................................................................................................... 58 2.2.1 Participants ..................................................................................................... 59 2.2.2 Stimuli and procedure ..................................................................................... 59