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James Gratwicke

James Gratwicke

The National Hospital for Neurology and Neurosurgery, UK

Title: The development of brain stimulation therapies for dementia

Biography

Biography: James Gratwicke

Abstract

Dementia remains one of the major challenges facing western society with an estimated 80 million people due to be affected by 2040. Despite this only a handful of modestly effective symptomatic therapies exist. Recent trials of pharmacologic agents aimed at reducing aggregation of pathogenic proteins have proved ineffective, likely because of the heterogeneity of the genetic and molecular pathology underlying dementia syndromes, and novel approaches are therefore needed. Brain stimulation therapies can avoid these difficulties by modulating the disease process downstream at the neural network level, aiming to restore cognitive processing patterns and thereby relieve symptoms. In this presentation I will discuss how improved understanding of cognitive brain networks can be harnessed for development of novel brain stimulation therapies for dementia, with a particular focus on the use of deep brain stimulation. I will cover both basic scientific and clinical aspects of this approach, and discuss the results of two clinical trials recently completed in our unit. I will also look to the future and discuss how cognitive neuromodulation can be advanced further through improved understanding of brain functioning, from both empirically driven and computationally driven approaches.