Fig. 3.

The CANTAB spatial working memory test.

Fig. 3 (a) shows a sample from Block 1 (3 boxes). By process of elimination, participants must find the token from within one of the 3 boxes. The top left corner of the display demonstrates a blue token within a yellow box, a token will not be found in this box again. Fig. 3 (b) refers to a trial from the final block (8 boxes) within the test. Here the participants must find the token from a greater number of possible locations. It can be seen from the column to the right of the display, that half of the tokens have been located.

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