The University of Hawaii model released virtual particles southwest of Chiapas and watched them move. The fact that the particles clustered near Ebon Atoll approximately fourteen months later was not a coincidence of model design; it was the result of the model correctly representing the physical conditions that actually govern how objects move in that part of the Pacific. The model had been validated against real-world observations from the 2011 Japan tsunami debris, which had been tracked across the Pacific in real time. The confidence that the model produced was earned, not assumed.
What this means for understanding Alvarenga’s drift is that the route was determined — within a range of possibilities — by forces that were present and measurable, even if no one was measuring them at the time. The Pacific current system that carried him from Mexico to the Marshall Islands is the same current system that carries any floating object from that origin point to that general destination. The 438-day duration is consistent with the 14-to-20-month range that van Sebille’s debris modeling identified for objects starting in that location.
## The Psychological Architecture of Isolation
No medical professional examined Alvarenga’s psychological state during the drift. No observer recorded his mental processes from day to day. What is known about his psychology during the fourteen months at sea comes from what he subsequently reported to Jonathan Franklin and, through the book, to readers.
The psychological literature on extreme isolation and sensory deprivation consistently identifies a series of stages that occur when human beings are deprived of social contact over extended periods. These include initial anxiety and hypervigilance, followed by a middle phase characterized by monotony, depression, and cognitive distortions, followed in severe cases by hallucinations and what researchers sometimes describe as dissociation from normal reality. The timeline varies by individual, by the severity of physical conditions, and by the specific nature of the isolation.