Figure 1.
Experimental apparatus (modified from [18]).
Figure 2.
Examples of stimuli used in Experiments 1 and 2: (a) sets I-VII included four 2-icon stimuli, (b) sets VIII and IX included 288 2-icon stimuli, (c) sets X and XI included 288 4-icon stimuli, (d) set XII included 288 16-icon stimuli.
Figure 3.
Experiment 1: number of trials to acquisition by each subject for each of the seven sets of stimuli.
Figure 4.
Experiment 2: percentage of correct responses of Roberta in the same trials (filled circles) and in the different trials (empty squares) in the 4-icon training condition.
Figure 5.
Experiment 2: Roberta's percentage of correct responses in (a) familiar 4-icon training stimuli, (b) familiar 4-icon stimuli presented upside down, (c) novel 4-icon stimuli, (d) 2-icon stimuli, and (e) 16-icon stimuli.