ABSTRACT
This chapter arguments to support three simulation theory (ST) claims about Theory of Mind (ToM) in schizophrenia. Schizophrenic subjects may exhibit positive or negative symptoms. Positive symptoms include hallucinations, delusions, thought disorder and active behavioural changes. Negative symptoms are privative; they represent an absence of previous behaviours rather than positive actions. Langdon et al. discuss some potential implications of simulationist accounts of ToM in schizophrenia. This account assumes that the only defence available to ST to account for ToM errors is the Wrong Inputs Defence. Schizophrenic subjects exhibit emotional markers including flat affect; as Birchwood and Jackson note 'negative symptoms primarily concern losses or diminution in emotion'. Goldman Sachs and Suryanarayana Sripada argue that there are data to support the claim that 'for three emotions, fear, disgust, and anger, deficits in face-based recognition are paired with deficits in the experiencing of the same emotion' and that only the simulationist account can explain this.
