Lin Xu

81DEPRESSIVE SYMPTOMS PREDICT MEMORY DECLINE, AND VICE VERSA, OVER SUBSEQUENT 4 YEARS: LONGITUDINAL ANALYSIS OF THE GUANGZHOU BIOBANK COHORT STUDY

2015 · Age and Ageing

Introduction: Late-life depression may increase dementia risk, raising the possibility of overlapping pathophysiology and potential preventive strategies. We examined whether: (a) baseline depressive symptoms predicted memory decline, and (b) baseline memory function predicted mood decline, …

Multiple-UAV Reinforcement Learning Algorithm Based on Improved PPO in Ray Framework

2022 · Drones

Distributed multi-agent collaborative decision-making technology is the key to general artificial intelligence. This paper takes the self-developed Unity3D collaborative combat environment as the test scenario, setting a task that requires heterogeneous unmanned aerial vehicles (UAVs) …