Figure - available from: Frontiers in Neuroscience
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Progress-tracking in amygdala. (A) Ramping activity of an amygdala neuron in a saving sequence lasting six trials. The neuron’s responses at the time of choice increased with each consecutive step in the saving sequence. (B) The slope of the neuronal ramping activity in amygdala for different sequences (right panel) adapted to the final sequence length (‘adaptive sequence progress’, middle schematic); it did not increase linearly with elapsed time or trial number (left schematic), consistent with progress-tracking rather than time-tracking. Adapted with permission from Grabenhorst et al. (2016).
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The successful pursuit of future rewards requires forming an internal goal, followed by planning, decision-making, and progress-tracking over multiple steps. The initial step—forming goals and the plans for obtaining them—involves the subjective valuation of an anticipated reward, considering both the reward’s properties and associated delay and ph...
