I first became aware of a type of "slow thinking" through the book "Hare Brain, Tortoise Mind: How Intelligence Increases When You Think Less", by Guy Claxton,

I first became aware of a type of "slow thinking" through the book "Hare Brain, Tortoise Mind: How Intelligence Increases When You Think Less", by Guy Claxton, published 1999. Does anyone have a comparison of the types of slow thinking?