BookPeter J. McKenna, Tomasina M. Oh.
Summary: This book reviews our knowledge of the incoherent speech which can present as a symptom of schizophrenia. This is one of the most researched symptoms in the disorder. The content covers clinical presentation, differential diagnosis and the theories proposed to account for the symptom in these 'thought disordered' patients, ranging from the psychoanalytic to there being a form of aphasia involved. The book is unique in its ability to apply linguistic and neuropsychological approaches to the understanding of this condition, and is the first book to cover comprehensively the range of clinical studies that followed the introduction of Andreasen's rating scale for what was then called thought, language and communication disorder. This book is essential reading for all those working in the field of schizophrenia and also for those interested in language and disorders of speech.
Contents:
Cover
Copyright
Dedication
Contents
Preface
1 Describing schizophrenic speech
Kraepelin and Bleuler: the classical accounts of thought disorder
Cameron: the first empirical study of thought disorder
Wing: poverty of content of speech
Harrow: thought disorder as bizarre-idiosyncratic thinking
Andreasen: the modern synthesis
Conclusion
2 Thought disorder as a syndrome in schizophrenia
Subdividing schizophrenia I: subtypes of patients
Subdividing schizophrenia II: positive and negative symptoms
Liddle's three syndromes
Positive and negative thought disorder?
The factor structure of thought disorder
Conclusion
3 The differential diagnosis of thought disorder
Thought disorder in mania
Thought disorder in depression
Delirium
Epilepsy
Autism and Asperger's syndrome
Thought disorder in normal individuals
4 Thought disorder as a form of dysphasia
The fons et origio
Enter Chaika
Confirmation of the dysphasia hypothesis?
The confounding factor of general intellectual impairment
More studies using aphasia test batteries
More studies of expressive speech
Conclusion
5 Thought disorder and communicative competence
Thought disorder as failure to make use of context
Thought disorder as lack of cohesion in discourse
Taking into account the listener's needs: Grice's Maxims and Theory of Mind
Conclusion
6 Thought disorder as a dysexecutive phenomenon
The frontal lobe syndrome
The dysexecutive syndrome
Schizophrenia and the frontal lobes
So is there a dysexecutive syndrome in schizophrenia?
Thought disorder as frontal/executive dysfunction
Speech in patients with the frontal lobe syndrome
Liddle and the neuropsychology of disorganisation
Conclusion
7 The dyssemantic hypothesis of thought disorder
What is semantic memory?
The neuropsychology of semantic memory
The first dyssemantic hypothesis: overinclusive thinking
Thought disorder as increased semantic priming
Thought disorder as disorganisation in the structure of semantic memory
Conclusion
8 Some conclusions and a few speculations
Why is thought disorder so complicated?
Thought disorder outside schizophrenia
Thought disorder: a disorder of thought, language or both?
Thought disorder as a non-dysphasic language disturbance
Beyond language
Thought disorder: semantic confabulation?
References
Index.