TY - GEN AU - Duffy,Jeanne F AU - Zeitzer,Jamie M AU - Czeisler,Charles A TI - Decreased sensitivity to phase-delaying effects of moderate intensity light in older subjects SN - 1558-1497 PY - 2007///0531 KW - Aged KW - Circadian Rhythm KW - physiology KW - Female KW - Humans KW - Lighting KW - methods KW - Male KW - Photic Stimulation KW - Sleep N1 - Publication Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural UR - https://doi.org/10.1016/j.neurobiolaging.2006.03.005 ER -