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. Author manuscript; available in PMC: 2022 May 3.
Published in final edited form as: Neurosci Biobehav Rev. 2021 Feb 27;125:380–391. doi: 10.1016/j.neubiorev.2021.02.030

Table 1.

The effects of dopamine modulation on time production and discrimination as proposed by the dopamine clock hypothesis. The hypothetical clock is proposed to respond to increases and decreases in dopamine by respectively increasing and decreasing its speed.

Dopamine Hypothetical Clock Production Discrimination Experience
Increase Quickens Early response/Underproduction Chooses long/Overestimation Less time seems like more
Decrease Slows Late response/Overproduction Chooses short/Underestimation More time seems like less