Abstract
Schizophrenia patients have demonstrated deficits in affect recognition. Whether this deficit is part of a general difficulty in face perception or a specific problem in affect recognition is debatable. However, there is little research investigating the functional consequences of difficulties in identifying emotion in schizophrenia patients. We tested 20 chronic, medicated schizophrenia patients and 27 normal control participants on a battery of face recognition and affect recognition tasks. A subset of 14 patients was rated on the Social Dysfunction Index. Results demonstrated that schizophrenia patients were less accurate than normal control participants on face recognition, facial affect recognition and vocal affect recognition tasks, but among schizophrenia patients, only affect recognition performance was related to social functioning. These results suggest that schizophrenia patients have general face processing deficits, but affect recognition deficits may lead to more problems in social behavior.
Highlights
There has been a considerable amount of research in the past 20 years investigating schizophrenia patients’ ability to recognize emotional expression in others
There was no significant difference between schizophrenia patients and normal control participants on the Neutral Face Recognition task, but there was a significant difference between the two subject groups on the Test of Facial Recognition and the Facial Affect Recognition task, with schizophrenia patients performing worse than normal controls on both tests
We found that schizophrenia patients had deficits in face recognition, facial affect recognition, and vocal affect recognition, compared to normal control participants
Summary
There has been a considerable amount of research in the past 20 years investigating schizophrenia patients’ ability to recognize emotional expression in others. Most of these investigations have found that schizophrenia patients have defi-. Cits in both facial and vocal affect recognition Archer et al, 1994; Baudouin et al, 2002; Borod et al, 1993; Edwards et al, 2001; Feinberg et al, 1986; Heimberg et al, 1992; Mandal et al, 1998; Penn et al, 2000; Schneider et al, 1995; Walker et al, 1984), and that these deficits are not related to age, gender, medication status or neuroleptic dose (Kline et al, 1992; Poole et al, 2000; Salem et al, 1996; Schneider et al, 1995) Cits in both facial and vocal affect recognition (e.g. Archer et al, 1994; Baudouin et al, 2002; Borod et al, 1993; Edwards et al, 2001; Feinberg et al, 1986; Heimberg et al, 1992; Mandal et al, 1998; Penn et al, 2000; Schneider et al, 1995; Walker et al, 1984), and that these deficits are not related to age, gender, medication status or neuroleptic dose (Kline et al, 1992; Poole et al, 2000; Salem et al, 1996; Schneider et al, 1995)
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