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Humans↗
Biomedical subjects
John S McIntyre
Publications and source records attributed to John S McIntyre.
Depression and practice guidelines.
Over the past two decades there have been great advances in the understanding of depression and in the development of pharmacological agents and psychosocial treatments that have demonstrated efficacy in the treatment of this common and disabling illness. Unfortunately, this knowledge and evidence is not consistently translated into actual treatment, and depression remains undiagnosed in a large percentage of patients, and when it is accurately diagnosed, it often is suboptimally treated.The frequent failure to properly diagnose depression may be due to the continuing stigma of mental illness, the persistence of the biomedical, rather than the biopsychosocial, paradigm of illness and treatment, educational issues and the time constraints in the typical medical practice. The suboptimal treatment may be due to all of these issues plus the difficulty in changing physician behaviours even when there exists much evidence that would seem to dictate such a change. The development of a criteria-based nomenclature and the subsequent development and dissemination of evidence-based practice guidelines addresses some of these issues. Copyright 2001 John Wiley & Sons, Ltd.
Journal Article↗
Initial stages of visual information processing in dyslexia.
Four experimental tasks were employed to explore the initial stages of visual information processing in a group of dyslexic boys and in a group of normal control subjects ranging in age from 8 to 14 years. Two tasks involved visual backward masking; the other two were temporal integration tasks. The backward-masking tasks yielded evidence of slower rates of visual information processing in dyslexic children; the temporal-integration tasks yielded evidence of longer duration of visible persistence in dyslexic children. This effect was most evident in situations in which sequential stimuli impinged on the same retinal location. Some age trends in the development of these effects are noted. It is suggested that the dyslexic visual system may take an unusually long period of time to recover from the aftereffects of neural activity evoked by an inducing stimulus.
Adolescent↗