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. Author manuscript; available in PMC: 2015 May 27.
Published in final edited form as: Nat Neurosci. 2014 Oct 12;17(11):1591–1597. doi: 10.1038/nn.3835

Figure 3. Hypotheses for how spike count correlations depend on TTS.

Figure 3

(a) Hypothesis 1: attention decreases correlations regardless of the relationship between a pair of unit’s tuning similarity. (b) Hypothesis 2: attention can either increase or decrease correlations. Under one model, if attention changes correlations to maximize information coding, correlations would be expected to decrease between pairs with positive TTS but increase between pairs with negative TTS.