human 220 Humans 175 Technology: general issues 165 Research & information: general 124 History of engineering and technology 120 male 101 female 98 Article 96 adult 90 article 84 controlled study 80 Biology, life sciences 78 feature selection 66 Male 54 Female 53 Research and information: general 48 machine learning 46 major clinical study 44 History of engineering & technology 43 Feature selection 42 Adult 37 Feature extraction 37 Machine learning 36 nonhuman 34 Forecasting 32 aged 31 genetics 31 Attention 30 attention 30 young adult 30