Even if you aren't getting such radical perception changes, there are other possible perception changes that you can get while looking at other people. When you are tripping, you have super awareness and perception. Things that usually go unnoticed will now stand out. You can take one glance at a person and know their feeling and mood and if it's someone who you are tripping with, you will each know just what the other is thinking, all without any words being said. The very slightest change in a person's facial expression, gestures or mannerisms can take on great meaning. A person can say something and it can have many different meanings, depending upon how it is said. Linguisitc nuances and the tone of someone's voice become significant. Certain aspects of a person's appearance or behavior, normally unnoticed, will now be relevant.

If someone is acting phony in some way, you'll be able to see right through them like glass. A person's intentions are written all over them and will be reflected by their mannerisms, gestures, expressions, etc. Eye contact communication is on a much deeper and penetrating level than one is accustomed to. The eyes will say everything. Two people tripping together can just look at each other and be communicating more deeply than 2 people talking to each other in usual circumstances. One person might say just 1 word and the other person knows just what it means and that it says a lot, though the other people there who aren't tripping may not have a clue as to its meaning.

You can get insights into people that would be impossible without LSD. What you may find out is that someone who you thought knew a lot, doesn't at all know what you thought they knew. What's better is seeing someone and appreciating their complexity for the first time or seeing them in a positive way for the first time or the first time in a long time. You may feel that someone who you have known for years, you are now first getting to really know them, as if it was all superficial before and now it's for real. With LSD, communication is deep, meaningful and significant and it gets people as close as people can get to each other.

On page 43 of Ralph Metzner's book, The Ecstatic Adventure, Rolf Von Eckartsberg says:

"Physical distance was not experienced as such. A glance or visual impression felt like a reaching out and amoeba-like engulfment. One lived in one's glance, one extended oneself in one's visual projection, one lived and traveled with one's eyes and view."

"One became acutely aware of facial details, like quivering lips and vibrating noses which signaled the experience of orgasm and ecstasy and which gave testimony of the universality of one's feeling and the harmonious and parallel of simultaneous resonance in this experiential community. One became aware of teeth, cheeks, the falling of hair and eyes which had the most remarkable depth and radiation. Faces became mysterious, stylized, angelic, transfixed, idealized."