After a classic psychedelic dose, the brain may enter a brief neuroplasticity window where recent material encodes more strongly while updating when rules change gets harder. One way to read that mix is a short-lived overfitting bias; that offers a speculative explanation for stories of effortless memorization, not proof they happened.

Clear Thinking Under Pressure: 208 seconds, Hudson River, only viable option (January 2009, US Airways Flight 1549, 155 saved).