Many qualities define human beings, but emotions are central to what humans are as a species and as individuals, and emotional responses to social events make up a large chunk of human lives. This entry first defines psychosocial life and then examines the negative impact of aphasia on the psychosocial lives of people living with a devastating disability, aphasia. Those professionals engaged in therapeutic and rehabilitation work spend significant amounts of their time with people whose emotional and social lives are knocked sideways by significant and catastrophic circumstances.