It is one of the main characteristics of the Temporary Autonomous Zone by Hakim Bey, but the notion was previously discussed by Gilles Deleuze and Félix Guattari in Nomadology: The War Machine, by Jean-François Lyotard in Driftworks and by various authors in the "Oasis" issue of Semiotext(e).
Psychic nomadism facilitates the construction of ad hoc reference frames in which to situate the temporary actions required by TAZ.
He states that there is a paradox where our modern society’s false unity blurs all cultural diversity and any place is as good as another.
With the words “cyberspace” and “hallucination” used interchangeably, we can see William Gibson's cyberpunk novel Neuromancer (1984) being combined with Deleuze and Guattari.
The resultant grid comes to life, animated by unexpected eddies and surges of energy, coagulations of light, secret tunnels, and surprises.”