In the new book “Sentience,” a neuropsychologist argues that consciousness evolved to make us feel that life is worth living.
“If perceptions make life possible, sensations make it worth living.” That’s how Nick Romeo distills the insights of the neuropsychologist Nicholas Humphrey, in a deeply thought-provoking new piece reported from Greece, where the two men visit a cave that some early archeologists speculated was the basis for Plato’s famous allegory. Romeo charts the idiosyncratic popular and academic career of the seventy-nine-year-old Humphrey, who has argued that, beyond the obvious adaptive benefits of sensation—orgasms good, pain bad—“human beings have evolved to take intrinsic delight in conscious sensation for its own sake,” allowing us access to the rarified condition of having a soul. |
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