It found that 48 percent of those who have received a COVID vaccine said they felt the same way. Alan Teo, an associate professor of psychiatry at Oregon Health and Science University, attributes cave syndrome to three factors: habit, risk perception and social connections. “We had to learn the habit of wearing masks, physical distancing or social distancing, not inviting people over,” he says. Some still have an extreme fear of the disease while others do not want to forfeit what they found to be the positive benefits they derived from the forced isolation and solitude. Do people suffering from cave syndrome need professional treatment or just a bit more adjustment time?