Behavior and Belief

Uncertainty doesn’t just make people uneasy—it pushes them to invent explanations that restore a sense of control. In “Behavior and Belief,” Michael and psychologist Aaron Blaisdell build a human version of B.F. Skinner’s classic conditioning work to show how quickly people turn random reward schedules into personal “causes,” then they pivot to a second experiment suggesting that belief can also generate vivid, meaningful experiences even when nothing supernatural is happening.

The centerpiece is “Victory Vault,” a staged game show designed as a human Skinner Box. Participants sit in a soundstage with a checkboard floor, a salient but useless button, cameras, and an ATM slot that dispenses dollar bills at regular intervals—independent of anything the participant does. At first, many contestants latch onto a specific action sequence, treating it like a trigger. Rebecca, for example, focuses on combinations involving the door and the button as money appears. Her behavior escalates into a ritual: she repeats actions in the hope of reproducing the reward. When the timing stops matching her old pattern, she doesn’t give up; she searches for a new one, shifting to other behaviors as the reward continues to arrive on schedule. Blaisdell frames this as “adventitious reinforcement” (reward arriving after an action, making that action feel causal) followed by “extinction” when the old belief stops fitting the outcomes.

Across multiple subjects, the button’s visibility shapes early superstition—people repeatedly ask whether they “should” push it, then build strategies around it. Some rituals become elaborate, while others reveal a different belief style: a few participants effectively conclude that nothing they do changes the money, leading them to stand still or avoid the button. The results underscore a key difference between humans and pigeons: humans arrive with expectations—about games, cameras, performance, and what “should” work—so their invented causes reflect their prior beliefs as much as the environment’s randomness.

The episode then argues that these “lies” can become functionally real. If a belief is strong enough, it can produce real psychological effects—an idea illustrated by placebos. That logic drives a “reverse exorcism” study with Dr. Veissiére, where participants are led to expect a spirit possession experience. The setup blends religious iconography (crucifix, priest figure, ritual language) with scientific props (EEG cap, medical-style procedures) to relax critical defenses and intensify suggestion. Actors and staged procedures sell the seriousness of the event, while Veissiére guides the ritual with hypnosis-like techniques.

Participants report altered states that feel personal and vivid: sensations of a divine presence, emotional comfort, visions, and even an out-of-body experience involving a deceased mother. The researchers emphasize that the experiences were generated without any real causal mechanism tied to possession—yet the meaning and impact were real to the participants. The episode closes by framing humans as “belief-making machines”: when reality is uncertain, people generate patterns to regain control, and those patterns can shape behavior and experience even when they don’t match objective causality.