![]() ![]() However, if red accelerates the passage of subjective time, the duration of the exposure to red should be perceived as longer than that of the exposure to blue. Smets 6 concluded that viewing red accelerated the passage of subjective time compared with viewing blue. Subjects perceived the time interval spent in the presence of red light as shorter than the same time interval spent in the presence of the blue light. After exposure to both colors, subjects were asked to estimate the length of time that each color had been presented. Smets 6 exposed subjects to red and then blue light for 45 s each. However, few studies regarding the effects of color on time perception have been conducted and Smets 6 was the first to suggest a possible relationship between these phenomena. Accordingly, arousal in the presence of a red light may be associated with distorted perceptions of time. Recent studies have shown that observing emotional expressions affects subjective experiences of time by increasing the level of arousal of the perceiver 3, 4, 5. Jacobs and Hustmyer 2 used galvanic skin response (GSR) as an indicator of skin conductance and found a higher level of conductance when a red screen than when a blue one was presented. The EEG results showed a faster recovery of alpha waves under the blue than under the red condition. Ali 1 directed a red or blue light directly into the eyes of the participant through a projector for 10 min. These assumptions have been confirmed in studies using physiological measures of excitation and arousal. For example, long-wavelength colors, such as red, are often referred to as exciting, whereas short-wavelength colors, such as blue, are considered relaxing. It is well known that colors affect our behavior and emotions. ![]()
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