I'm a programmer. Adjusting to a low carb diet was difficult at first. I could concentrate on my work okay but I had trouble in meetings and talking to people. I just kept a low profile until I got through it. I don't restrict my carbs anymore but it really helped me to do it initially. I have found actually that once you get through the adjustment period the laser mental focus you have is pretty cool. You can obtain a similar laser focus with intermittent fasting.
Female, 5'3", 49, Starting weight: 163lbs. Current weight: 135 (more or less).
Starting squat: 45lbs. Current squat: 157.5 x 2