Conscious deliberation, under the guidance of a robust self built on an organized autobiography and a defined identity, is a major consequence of consciousness, precisely the kind of achievement that gives the lie to the notion that consciousness is a useless epiphenomenon
Damasio argues that conscious deliberation is the definitive achievement of selfhood and proves consciousness causally efficacious in life-management, while simultaneously acknowledging its limitation by nonconscious biases.
, Self Comes to Mind: Constructing the Conscious Brain, 2010thesis