Abstract
Possible Functions of Prefrontal Cortical Neurons in Duration Discrimination
Highlights
We recorded single-unit activity while monkeys were performing a duration discrimination task in a series of studies (Oshio et al, 2006, 2008)
As for the D1 activity, the result indicates that the prefrontal cortex (PFC) neurons responded as if they encoded the duration category (e.g.,“long” or “short”) of the C1 cue as early as the D1 period
Taken together with the correlated D2 activity, our findings suggest that PFC neurons encode duration category, and implement strategic processes such as the representation of trial type (LS or SL) and the retention of cue information
Summary
We recorded single-unit activity while monkeys were performing a duration discrimination task in a series of studies (Oshio et al, 2006, 2008). As for the D1 activity, the result indicates that the PFC neurons responded as if they encoded the duration category (e.g.,“long” or “short”) of the C1 cue as early as the D1 period. Taken together with the correlated D2 activity, our findings suggest that PFC neurons encode duration category, and implement strategic processes such as the representation of trial type (LS or SL) and the retention of cue information.
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