Olle Olsson

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Twelve schizophrenic subjects with acoustic hallucinations in their case histories were compared with 12 healthy reference subjects and eight subjects with panic disorder in a test of three auditory masking tasks, simultaneous masking (SM), forward masking (FM) and backward masking (BM). The schizophrenic subjects showed no differences from reference(More)
Knowledge acquisition is a well known bottleneck activity in the development of knowledge-based systems. The model-driven approach to knowledge acquisition is to use a library of generic problem solving methods, where each one is specialized for a certain kind of application task, such as diagnosis or product connguration, that guides knowledge acquisition(More)
Abnormal auditory information processing has been reported in individuals with autism spectrum disorders (ASD). In the present study auditory processing was investigated by recording auditory brainstem responses (ABRs) elicited by forward masking in adults diagnosed with Asperger syndrome (AS). Sixteen AS subjects were included in the forward masking(More)
Acknowledgements I first thank my thesis advisors Thiemo Voigt and Adam Dunkels for being my excellent advisors, and also for being the great colleagues you still are. Thiemo and Adam have complemented each other superbly, giving me feedback , perspectives, insights, and having made every single new venture truly fun. My deepest thanks also go to my(More)
17 subjects with a diagnosis of schizophrenia and hallucinations in their case history were compared with 16 subjects of a reference group regarding the appearance of a perception of streaming in a presentation of pitch alternating tones. One scale going up and down was used as part of a stimulus and the same scale going down and up as the other part (as(More)
Seventeen schizophrenic patients who had all experienced auditory hallucinations were compared with 14 subjects of a reference group on a test of contralateral induction. Contralateral induction means that a sound is illusively heard as coming from a location where it belongs according to its spectral content. The phenomenon is connected with a simultaneous(More)