Dataset Open Access

Categorical facilitation with equally discriminable colors

Witzel, Christoph; Gegenfurtner, Karl Reiner

This data supplements the study of:

Witzel, C., & Gegenfurtner, K. R. (2015). Categorical facilitation with equally discriminable colors. Journal of Vision, 15(8), 22. doi:10.1167/15.8.22, http://jov.arvojournals.org/article.aspx?articleid=2381517

The Excell-file provides the data shown in Figure 4 of the above article, which shows the main results. The first sheet (trained) provides the data for the first, experienced group of participants, the second sheet (naive) the data for the naive, untrained group of participants.

Rows refer to the 20 stimulus pairs.

Columns:

sti_ctg = category membership of each colour in a pair.

sti_type = type of colour pair: 1 = centre pair, 2 = boundary, 3 & 4 = transitional pairs

sti_azi = Hue (azimuth) in DKL-space

rt = response times, one column for each observer

er = error rates, one column for each observer

This research was supported by the German Science Foundation (DFG) Reinhart-Koselleck program Ge 879/9, Graduiertenkolleg GRK 885 ''NeuroAct'', andSFB TRR 135, as well as by a Gießen University dissertation fellowship and a German Academic Exchange Service (DAAD) postdoctoral fellowship to C. W.
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