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Means and standard deviations of cognitive tests over time.
The vertical bar depicts one unit of the standard deviation in each direction. TMT, Trail Making Test, Parts A and B; DG_SYM, Digit Symbol Test; DGT_SP, verbal Digit Span test; frw, forwards; bck, backwards; VLMT, German version of the Rey Auditory Verbal Learning Test; lss_d, loss of correct words after distraction; lss_t, loss of correct words after time span; rec, recognition of words.
