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. 2009 Feb 13;74(2):152–171. doi: 10.1007/s00426-009-0226-2

Fig. 4.

Fig. 4

Depiction of the different reference stimulus and hand movement directions, and how the angles were coded for each type of configuration (horizontal, vertical). For the purpose of illustration, two required movement directions are presented for each configuration. In the experiments, only one movement was produced on a given trial. When no reference or test stimulus was shown (no motion trials) a blank gray frame is depicted in the figure