Includes bibliographical references (pages 271-295) and index.
The lonely heart -- Lonely in a social world -- Variation, regulation, and an elastic leash -- Losing control -- Selfish genes, social animals -- The universal and the particular -- The wear and tear of loneliness -- From selfish genes to social beings -- Sympathetic threads -- An indissociable organism -- Knowing thyself, among others -- Conflicted by nature -- Conflicts in nature -- Finding meaning in connection -- Three adaptations -- Getting it right -- The power of social connection.
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A pioneering neuroscientist reveals the reasons for chronic loneliness--which he defines an unrecognized syndrome--and brings it out of the shadow of its cousin, depression.