The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Another reason to move something that's very hard into the early part of the day is that if indeed the dopaminergic and noradrenergic circuits are more active at that time, we are actually in a better position cognitively to parse that hard problem because of the way that we are able to fine-slice our perception of time and fine-slice all the perceptual events outside us.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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What that means based on what we just discussed about the role of dopamine, norepinephrine, and serotonin in setting the frame rate of time perception is that our perception of the passage of time will be very different in the early part of the day and in the latter half of the day.
So dopamine and norepinephrine increase frame rate, and as a consequence, they tend to lead us to overestimate the amount of time that's passed.
Conversely, the neuromodulator serotonin causes people to underestimate the amount of time that's passed.
So the way I like to think about it is that you have two clocks, two stopwatches. One is a dopamineergic stopwatch that fine slices really closely. It's like counts off milliseconds and it's grabbing a movie of your experience at very high resolution. And in the other hand, you have a a stopwatch that's gathering big time bins, big ticks along the the uh you know that the hand is moving at bigger intervals. You know, marking off time and depending on whether or not you're excited or whether or not you're bored, you're using different stopwatches on time and therefore you're perceiving your experience differently.
how dopamine and to some extent serotonin can differentially impact your perception of how fast or how slowly things are happening in the moment.