title: Maintaining concentration (TAF) as a measure of mental stress.
mesh_terms: D000337:Aerospace Medicine; D001288:Attention; D001331:Automation; D001341:Autonomic Nervous System / Q000503:physiopathology; D004526:Efficiency; D005221:Fatigue / Q000175:diagnosis*; D006801:Humans; D005222:Mental Fatigue / Q000175:diagnosis; D009132:Muscles / Q000503:physiopathology; D009622:Noise; D013315:Stress, Psychological