Abstract

Chloe Fouilloux and colleagues introduce animal cannibalism.

Highlights

  • Magazine memory traces are components of mental time travel, they can exist without other components in young children and in animals [14]

  • Exposure to even moderately bright short-wavelength light in the evening can strongly suppress the production of melatonin and delay our circadian rhythm. These effects are mediated by the retinohypothalamic pathway, connecting a subset of retinal ganglion cells to the circadian pacemaker in the suprachiasmatic nucleus (SCN) in the brain

  • This spectral sensitivity cannot be described by a combination of L and M cones (‘luminance’) and a recent

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Summary

Current Biology

Magazine memory traces are components of mental time travel, they can exist without other components in young children and in animals [14]. I think we can fruitfully use animal models of episodic memory traces. This should not commit us to concluding, without additional evidence for the other components (or a grand experiment combining them as you mentioned), that rats travel mentally in time. To make progress we need to combine replicable, empirical approaches like yours, and an open mind to both potential capacities and to limits in nonhuman animals. JDC: I think we agree that avoiding subjective experiences is a wise approach and that we need to have an open mind to capacities and limits in nonhumans

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