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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Neuroimage. 2009 Jun 8;47(4):1649–1658. doi: 10.1016/j.neuroimage.2009.06.001

Table 2.

The results of fitting resp1 and resp2 with a stretched and scaled version of respS. Data show that the stretch factor increases with decreasing stimulus separation, confirming that the presence of a preceding stimulus increases the TTP and FWHM of the response. Furthermore, the fitted response amplitude decreases with decreasing stimulus separation, also in agreement with our experimental findings (Tab. 1). A residual fraction of 0.23 (on average for the three stimulus types) was observed if respS was directly subtracted from resp1, without stretching or scaling.

stretch factor amplitude factor residual fraction
200 400 200lc 200 400 200lc 200 400 200lc
resp2 1.07 (0.01) 1.07 (0.01) 1.09 (0.02) 0.90 (0.02) 0.85 (0.02) 1.01 (0.05) 0.08 (0.01) 0.10 (0.02) 0.08 (0.01)
resp1 1.12 (0.01) 1.13 (0.01) 1.10 (0.02) 0.79 (0.01) 0.84 (0.03) 0.77 (0.03) 0.08 (0.01) 0.10 (0.02) 0.10 (0.02)