The I Index

Gaia Vince,
The Guardian (UK)
... neuroscientists are investigating the mysterious quality and trying to answer the hard question of how consciousness arises in the first place. If this all sounds a bit hard going, it’s actually not at all in the masterly hands of Seth, who deftly weaves the philosophical, biological and personal with a lucid clarity and coherence that is thrilling to read.
Julian Baggini,
The Wall Street Journal
If you only read one book about consciousness, it must be [Seth's].
Anjana Ahuja,
Financial Times (UK)
Seth covers complex topics, such as neurosurgery, mind-altering drugs, animal consciousness and artificial intelligence, with skill and warmth.

Publishers Weekly
A slew of terms and theories are introduced that may be difficult to get through for readers without a neuroscience background. But those who stay the course will find much to consider..

Kirkus
An accessible, unfailingly interesting look inside the workings of the human brain, celebrating its beguiling nature..