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Historical milestones of neuroscientific psychophysiology.
Int J Psychophysiol
August 2009
International Organization of Psychophysiology, associated with the United Nations, New York, NY, USA.
The main developments emphasizing the birth and ascent of Neuroscientific Psychophysiology are highlighted. More than a century ago, monumental contributions laid the grounds for our understanding of the human brain-body-behavior-environment interrelationships with theoretical, methodological, empirical and applied underpinnings. Thousands of Psychophysiologists worldwide have contributed to enrich humanity's knowledge and will continue to enhance Neuroscientific Psychophysiology by enlarging its horizons and important ramifications.
View Article and Find Full Text PDFNeural correlates of "analytical-specific visual perception" and degree of task difficulty as investigated by the Mangina-Test: a functional magnetic resonance imaging (fMRI) study in young healthy adults.
Int J Psychophysiol
August 2009
Cognitive Psychophysiology Laboratory, Montreal Research and Treatment Center for Learning Abilities and Disabilities, Montreal, Quebec, Canada.
The Mangina-Test is a neuropsychometric method for evaluating varying degrees of "analytical-specific perception" as they relate to learning abilities and disabilities. It consists of the identification of simple stimuli which are masked within a complex configuration according to their exact size, dimension, direction, spatial orientation, and shape within a limited span of time. This test has been successfully applied in clinical settings for the assessment of cognitive abilities and disorders in young and elderly populations.
View Article and Find Full Text PDFExcessive compensatory recruitment as a compulsory neurophysiological mechanism in Very Early Alzheimer's Disease as compared to Mild Vascular Dementia and to age-matched normal controls.
Int J Psychophysiol
August 2009
Cognitive Psychophysiology Laboratory, Montreal Research and Treatment Center, 3587 University, Montreal, Quebec, Canada.
This paper supports the theoretical position of the existence of neurophysiological mechanisms of excessive compensatory recruitment of neuronal pools in Very Early Alzheimer's Disease (VEAD) as compared to patients with Mild Vascular Dementia (MVD) and age-matched normal controls. In addition, considering that the very early recognition of Alzheimer's disease is of paramount importance for diagnosis, treatment and clinical follow-up, in the present investigation, we have used Topographic Mapping of ERPs to our Memory Workload Paradigm to delineate excessive compensatory recruitment as a sensitive neurophysiological marker for the accurate detection of VEAD as compared to MVD and to age-matched normal controls. The present findings with the Topographic Mapping of ERPs indicate that VEAD patients displayed significantly larger amplitudes with memory loads as compared to MVD patients (p=0.
View Article and Find Full Text PDFModulation of specific brain activity by the perceptual analysis of very subtle geometrical relationships of the Mangina-Test stimuli: a functional magnetic resonance imaging (fMRI) investigation in young healthy adults.
Int J Psychophysiol
August 2009
Cognitive Psychophysiology Laboratory, Montreal Research and Treatment Center for Learning Abilities and Disabilities, Montreal, Quebec, Canada.
The Mangina-Test provides a neuropsychometric assessment of varying degrees of "Analytical-Specific Visual Perception", i.e., the ability to identify simple stimuli inserted into more complex ones according to their exact geometrical properties in a limited span of time.
View Article and Find Full Text PDFSimilarities and differences between learning abilities, "pure" learning disabilities, "pure" ADHD and comorbid ADHD with learning disabilities.
Int J Psychophysiol
August 2009
Cognitive Psychophysiology Laboratory, Montreal Research and Treatment Center for Learning Abilities and Disabilities, 3587 University Street, Montreal, Quebec, Canada.
This research pursues the crucial question of the differentiation of preadolescents with "Pure" ADHD, comorbid ADHD with learning disabilities, "Pure" learning disabilities and age-matched normal controls. For this purpose, Topographic Mapping of Event-Related Brain Potentials (ERPs) to a Memory Workload Paradigm with visually presented words, Bilateral Electrodermal Activity during cognitive workload and Mangina-Test performance were used. The analysis of Topographic distribution of amplitudes revealed that normal preadolescents were significantly different from "Pure" ADHD (P<0.
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