Mental Foraging and the Evolution of Memory

The mind did not evolve to think. It evolved to forage.

Knowing this, what if hypnosis isn't something strange or rare - but something your brain already knows how to do?

In Mental Foraging and the Evolution of Memory, clinical hypnotist James M. Harrison argues that long before hypnosis was an idea about the workings of the unconscious mind, nervous systems had already evolved the ability to mentally forage - pausing to simulate, rehearse, and test possibilities before acting. This capacity became foundational to human imagination, memory, and adaptive behavior.

Drawing from modern neuroscience, evolutionary biology, and the history of medicine, Harrison shows how clinical hypnosis works directly with this evolved ability - standing apart from metaphysical or "altered state" explanations, and offering instead a biologically grounded method for guiding attention, perception, and behavior change.

What readers will find inside: a new evolutionary framework for understanding memory, imagination, and healing; the neuroscience behind why hypnosis works, explained without mysticism; how predictive processing and interoception underlie clinical change; and a model clinicians can immediately integrate into practice.

Blending accessible science with creative narrative, Mental Foraging and the Evolution of Memory locates the roots of healing not in trance or suggestion - but in something far older: a nervous system that learned, long ago, to forage through its own past before stepping into its next moment.

For clinicians, researchers, and curious minds ready to see hypnosis - and the brain itself - in an entirely new light.