Tracers

Tracers are the experience of visual trails of varying lengths and opacity being left behind moving objects in a manner that is similar to those found in long exposure photography.¹ They will usually manifest as exactly the same colour of the moving object producing it or can sometimes be a randomly selected colour of their own.

A relatively consistent way to reproduce this visual effect is to simply move one's hand in front of their face or throw an object under the influence of a moderate dose of psychedelics.

This effect is capable of manifesting itself across the 4 different levels of intensity described below:

Level 1Mild

At the lowest level, tracers can be almost completely transparent and disappear quickly, dragging closely behind moving objects. This is subtle enough that it can potentially go unnoticed unless the person is paying active attention.

Level 2Distinct

At this level, tracers increase in length to become roughly half as long as the distance an object has travelled. The clarity of these tracers shift from barely visible to distinct and partially transparent in colour.

Level 3Strong

At this level, tracers become mostly solid in appearance and almost completely opaque with increasingly distinct edges. This creates a clear contrast between the tracer itself and the background behind it. The tracers become slower to fade from a person's vision and can remain in the air for up to several seconds. This results in trails that are roughly the length of the distance an object has moved across the visual field.

Level 4All-encompassing

At the highest level, a person’s visual field has become so sensitive to the creation of tracers that it entirely smudges and blurs into an all-encompassing tracer at the slightest movement of an object or the eye. This can make it extremely difficult to see unless one's eyes are kept still in a motionless environment, as tracers linger until one looks elsewhere within their visual field.

Tracers are often accompanied by other coinciding effects, such as drifting and after images. They are most commonly induced under the influence of mild dosages of psychedelic²³ compounds, such as LSD⁴⁵⁶⁷, psilocybin, and mescaline. However, they can also occur less commonly under the influence of MDMA and certain dissociatives, such as 3-MeO-PCP or DXM.

Replications

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References

External Links

Palinopsia (Wikipedia)

Citations

Contributors:Josie·Kaylee·Graham·Natalie