Using Movement to Close Sensory Feedback Loops and Scaffold Cognition in ASD

$15.00 /6 month

Presenters

Elizabeth Torres

Elizabeth Torres, PhD

Elizabeth Torres, PhD

The new changes to the DSM-V and the addition of sensory disturbances as a core problem in Autism Spectrum Disorders (ASD) open the possibility of using movement as our ally to improve diagnosis, research and treatments. Movement has been traditionally conceived as a unidirectional stream: as an output stream of information flowing from the Central Nervous System (CNS) to the periphery along efferent channels. However, movement is also a form of sensory input to the CNS that flows in closed loop from the periphery to the brain along afferent channels. The variability inherently present in our movements contains information that our kinesthetic receptors transduce and decode to help guide our actions and help us predict the sensory consequences of our impending decisions. In this way the movement variability present in our behaviors serves as informative sensory feedback and as an amplifier of our internal somatosensation. Movement variability permits the continuous objective quantification of change in natural behaviors as the child grows, develops and is subject to behavioral interventions or to drug treatments.

In this lecture we show new statistical methodology to address the heterogeneity of ASD and to dynamically track changes in all aspects of behavior at different time scales, in real time and longitudinally. More precisely we will show how to identify individually the best sources of sensory guidance for the child, those which sharpen perception, make decisions faster, more accurate and anticipatory, generally scaffolding cognition as they transition into adulthood.

Description

Elizabeth Torres, PhD

The new changes to the DSM-V and the addition of sensory disturbances as a core problem in Autism Spectrum Disorders (ASD) open the possibility of using movement as our ally to improve diagnosis, research and treatments. Movement has been traditionally conceived as a unidirectional stream: as an output stream of information flowing from the Central Nervous System (CNS) to the periphery along efferent channels. However, movement is also a form of sensory input to the CNS that flows in closed loop from the periphery to the brain along afferent channels. The variability inherently present in our movements contains information that our kinesthetic receptors transduce and decode to help guide our actions and help us predict the sensory consequences of our impending decisions. In this way the movement variability present in our behaviors serves as informative sensory feedback and as an amplifier of our internal somatosensation. Movement variability permits the continuous objective quantification of change in natural behaviors as the child grows, develops and is subject to behavioral interventions or to drug treatments.

In this lecture we show new statistical methodology to address the heterogeneity of ASD and to dynamically track changes in all aspects of behavior at different time scales, in real time and longitudinally. More precisely we will show how to identify individually the best sources of sensory guidance for the child, those which sharpen perception, make decisions faster, more accurate and anticipatory, generally scaffolding cognition as they transition into adulthood.

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