Amplified negative mood

2. T+01:30:00 [intensity]

intensity 

+ PLUS ONE — Clearly noticeable. You can tell when it began and how it's changing, though its full character isn't apparent yet.

3. T+00:00:00 [note]

The session turned inward and unpleasant, with neurotic feelings and a hint of despair alongside substantial visual activity and deepened contrast between light and dark. The reporter suspected the drug had simply magnified a mood that was already low, and noted the unpleasantness ebbing as it wore off.