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Olfactory discrimination and transient mood change in young men and women: variation by season, mood state, and time of day
Goel N and Grasso DJ. Chronobiol Int 2004. PMID 15470963
The Beck Depression Inventory (BDI) classified subjects as depressed (score > or =10; N= 57) or nondepressed (score <10; N= 112). ...
The Beck Depression Inventory (BDI) classified subjects as depressed (score > or =10; N= 57) or nondepressed (score <10; N
Bright light, negative air ions and auditory stimuli produce rapid mood changes in a student population: a placebo-controlled study
Goel N and Etwaroo GR. Psychol Med 2006 - Clinical Trial. PMID 16756690
Subjects were randomly assigned to one of four conditions: bright light (10,000 lux; n=29), auditory stimuli (60 dB; n=30), or high-density (4.5x10(14) ions/s flow rate; n=29) or low-density (1.7x10(11) ions/s; n=30; placebo control) negative ions. ...The Beck Depression Inventory classified subjects as depressed (> or =10; n=35) or non-depressed (<10; n=83). RESULTS: The three active stimuli, but not the low-density placebo, reduced depression, total mood disturbance (a global affect measure) and/or anger within 15-30 min. ...
Subjects were randomly assigned to one of four conditions: bright light (10,000 lux; n=29), auditory stimuli (60 dB; n=30), or …
Controlled trial of bright light and negative air ions for chronic depression
Goel N, et al. Psychol Med 2005 - Clinical Trial. PMID 16045061
Patients were entered throughout the year and randomly assigned to exposure to bright light (10 000 lux, n = 10), or high-density (4.5 x 10(14) ions/s flow rate, n = 12) or low-density (1.7 x 10(11) ions/s, n = 10, placebo control) negative air ions. ...
Patients were entered throughout the year and randomly assigned to exposure to bright light (10 000 lux, n = 10), or high-density (4. …
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