Recife, Pernambuco, Brasil
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I'm a Senior Data Engineer, working mainly with Big Data technologies, having knowledge…

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  • Application of convolutional neural networks for identification of dementia indicatives in cognitive test

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    This work sought to automate the pentagon drawing test applied to the Mini Mental State Examination (MMSE), which is currently the most widely used cognitive assessment to identify dementia symptoms in the elderly. One of its several steps consists of copying two overlapping pentagons where the intersection of these polygons forms a rhombus. This figure drawn by the patient will be the entry of the convolutional model that should classify it as correct or incorrect according to the criteria…

    This work sought to automate the pentagon drawing test applied to the Mini Mental State Examination (MMSE), which is currently the most widely used cognitive assessment to identify dementia symptoms in the elderly. One of its several steps consists of copying two overlapping pentagons where the intersection of these polygons forms a rhombus. This figure drawn by the patient will be the entry of the convolutional model that should classify it as correct or incorrect according to the criteria established in the MMSE. In the experiments carried out in this work, a database was collected with the help of volunteers who simulated this stage of the MMSE and provided a good number of images that were used for training the models. The best architectures tested achieved an average accuracy of 93% in the test suite.

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