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[stablemind]

I start the day off fine, ambitious and motivated to do things, then after a long drive, say 1.5 hours long, to my friends place I start socializing with them for another couple hours. At the end of all this I don't feel any reward from socializing with them- my mood becomes flatter than usual, I become more anxious, etc, however I'm still very alert and energized. This has happened before where I had to drive a long distance and then became very amotivated at a party. Does anyone know the neuro mechanisms behind the mood flatness after long periods of concentration? I also noticed that my mind started to mildly race at the end of the night with random thoughts going through my mind, with no relevance whatsoever.

Edited by stablemind, 24 November 2012 - 08:58 PM.

[LBGSHI]

Your mileage may vary, but I have noticed that any time I glance around at a myriad of things for hours on end (browsing through a shopping mall with interesting products all around, driving - especially with considerable traffic to deal with, or with new scenery which draws my eyes every which way), my eyes become fatigued later, which results in the feeling of brain fog...but if I close my eyes for a few seconds, then think through a complicated pattern or mental exercise, it's not an issue. I believe this is simply ocular fatigue, and since we do everything with our eyes, our mental faculties, including emotions and mood, become less optimal, and our instinct is to go to sleep or withdraw from interaction.