The Influence of Ocular Light Perception on Metabolism in Man and in Animal

Hollwich, F

doi:10.1007/978-1-4612-6132-2

Cited by 21 publications

(5 citation statements)

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“…Adding the humanistic considerations increases the power and logic of explanations of confusing phenomenon affecting financial markets. Hollwich (1979) studied the effects of light on the human body, and then found that natural light stimulates human physiology and psychology and is regulated through the eyes. The importance of sufficient exposure is such that humans who lack natural light stimulation will suffer physiological and psychological instability.…”

Section: Definition Of Behavioral Financementioning

confidence: 99%

Does weather impact the stock market? Empirical evidence in Taiwan

Wang

Lin

2011

Qual Quant

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Psychological evidence suggests close relationships between weather and mood. Individuals feel in a more positive frame of mind on sunny than cloudy days. This study applies GJR-GARCH to examine the relationship among weather, stock returns and risk in Taiwan from 2001 to 2007. The empirical results indicate that precipitation does not significantly influence stock return and risk; likewise, sunshine hours and temperature insignificantly influence stock return, but do significant impact stock risk. These findings demonstrate that weather effect really exist in stock market, and can help investors in making innovative investment and management decisions.

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Section: Definition Of Behavioral Financementioning

confidence: 99%

Does weather impact the stock market? Empirical evidence in Taiwan

Wang

Lin

2011

Qual Quant

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“…During short periods of time the disturbance of the endocrine sys tem of man, induced by unbalanced artificial light, involves his comfort [Hoejling, 1973], his efficiency as well as fatigue [Hollwich and Dieckhues, 1972;Hollwich el al., 1975Hollwich el al., , 1977, Our studies explain the effects of spectral differences in illumination on the fidgety behaviour and subsequent fatigue of pupils performing mental activity [Maas et al, 1974]. Furthermore, during long periods of time artificial light with a certain degree of lack of brightness [Harmon, 1942[Harmon, , 1946[Harmon, , 1951 due to its reduced spectrum involves first of all the health of the child in school but also the man working in his office or in industry [Hollwich, 1979], We should there fore bear in mind that artificial light, for the human individual at least, remains a mere substitute; it can never fully replace natural light, which, as a vital element like water and air, forms the basis of our health.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Natural and Artificial Light via the Eye on the Hormonal and Metabolic Balance of Animal and Man

Hollwich¹,

Dieckhues²

1980

Ophthalmologica

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Color change of the plaice and frog, and development of the testes in duck are induced by light stimuli via the eye. Eliminating experiences on the frog (Hollwich) and on the duck (Benoit) showed that these stimuli – beside vision – use a separate way, the so-called ‘energetic portion’ of the visual pathway (Hollwich). In compared studies on blind and on temporarily blind patients involved by cataract in both eyes, we found significant low levels of ACTH and cortisol. The levels normalized after cataract extraction. – Furthermore, we studied the influence of strong artificial illumination (3,500 and 3,200 lx) on healthy persons with considerable and, on the other hand, with minimal difference of their spectral composition to daylight. We found stress-like levels of ACTH and cortisol in the first group. These findings explain the agitated mental and physical behavior of children staying the whole day in school under artificial illumination with strong spectral deviation from daylight. Therefore, to avoid mental and physical alterations, the spectrum of artificial illumination should be largely similar to that of natural light.

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“…31–34 Light also plays a critical role in modulating sleep patterns and mood. 35,36 Several studies have shown that infants exposed to more natural light during the day sleep better at night, and influences the sleep-wake cycle in adulthood as well.…”

Section: Introductionmentioning

confidence: 99%

Sleep insufficiency and the natural environment: Results from the US Behavioral Risk Factor Surveillance System survey

Grigsby-Toussaint

Turi

Krupa

et al. 2015

Preventive Medicine

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Background Exposure to the natural environment may improve health behaviors and mental health outcomes such as increased levels of physical activity and lower levels of depression associated with sleep quality. Little is known about the relationship between insufficient sleep and the natural environment. Purpose To determine whether exposure to attributes of the natural environment (e.g., greenspace) attenuates the likelihood of reporting insufficient sleep among US adults. Methods Multiple logistic regression models were used to explore the association between self-reported days of insufficient sleep (in the past 30 days) and access to the natural environment in a multi-ethnic, nationally representative sample (n=255,171) of US adults ≥18 years of age enrolled in the 2010 Behavioral Risk Factor Surveillance System. Results Using 1-to-6 days of insufficient sleep as the referent group for all analyses, lower odds of exposure to natural amenities were observed for individuals reporting 21-to-29 days (OR=0.843, 95% Confidence Interval (CI) = 0.747, 0.951) of insufficient sleep. In stratified analyses, statistically significant lower odds of exposure to natural amenities was found among men reporting7-to-13-days (OR = 0.911, 95% CI = 0.857, 0.968), 21-to-29-days (OR=0.838, 95% CI=0.759, 0.924), and 30-days (OR=0.860, 95%CI=0.784, 0.943) of insufficient sleep. Greenspace access was also protective against insufficient sleep for men and individuals aged 65+. Conclusions In a representative sample of US adults, access to the natural environment attenuated the likelihood of reporting insufficient sleep, particularly among men. Additional studies are needed to examine the impact of natural environment exposure on sleep insufficiency across various socio-demographic groups.

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The Influence of Ocular Light Perception on Metabolism in Man and in Animal

Cited by 21 publications

References 0 publications

Does weather impact the stock market? Empirical evidence in Taiwan

Does weather impact the stock market? Empirical evidence in Taiwan

The Effect of Natural and Artificial Light via the Eye on the Hormonal and Metabolic Balance of Animal and Man

Sleep insufficiency and the natural environment: Results from the US Behavioral Risk Factor Surveillance System survey

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