added cognitive track

Author: sunyangfu

README.md

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-# AgingNLP
+# AgingNLP
+
+AgingNLP aims to develop aging-related NLP resources including NLP algorithms, knowledge bases, taxonomies, and lexicons for supporting the development and evaluation of various NLP applications. This is part of the collaboration effort between the Rochester Epidemiology Project and the Mayo NLP team. All related NLP resources can be accessed under the OHNLP consortium - aiming to create an interoperable, scalable, and usable NLP ecosystem.

cognitive-behavioral symptom taxonomy/README.md

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+# A General Purpose Cognitive-behavioral Symptom Taxonomy
+
+## Motivation
+Cognitive-behavior symptoms (CBSx) represent the surface manifestation of diverse etiology. Identification and documentation of CBSx are critical to biomedical research that targets understanding the association between the symptoms and the underlying causes including genetics, aging, injury, substance use, or infection. Seeing the lack of a semantic resource of CBSx, specifically dedicated to the symptom layer, we sought to develop a CBSx Taxonomy.
+
+## CBSx Taxonomy Overview
+The derived taxonomy contains 258 concepts that are grouped into four major branches: cognitive symptoms, psychomotor symptoms, behavioral symptoms, and impact on life. The taxonomy has been implemented into a computable format and made available to the research community.