scholarly journals General Clocks and the Clock Hypothesis

2017 ◽  
Vol 2 (4) ◽  
pp. 188-193
Author(s):  
A. Sfarti ◽  
Keyword(s):  
Clock Hypothesis

Genomic perspectives on the circadian clock hypothesis of psychiatric disorders

2020 ◽  
Author(s):  
Malcolm von Schantz ◽  
Mario A. Leocadio-Miguel ◽  
Michael J. McCarthy ◽  
Sergi Papiol ◽  
Dominic Landgraf
Keyword(s):  
Circadian Clock ◽  
Psychiatric Disorders ◽  
Clock Hypothesis

So, what about the molecular clock hypothesis?

1993 ◽  
Vol 3 (6) ◽  
pp. 896-901 ◽  
Author(s):  
Wen-Hsiung Li
Keyword(s):  
Molecular Clock ◽  
Molecular Clock Hypothesis ◽  
Clock Hypothesis

Cybernetic times: Norbert Wiener, John Stroud, and the ‘brain clock’ hypothesis

2020 ◽  
Vol 33 (1) ◽  
pp. 80-108
Author(s):  
Henning Schmidgen
Keyword(s):  
Historical Context ◽  
Second World War ◽  
Experimental Investigations ◽  
World War ◽  
Norbert Wiener ◽  
Temporal Structures ◽  
Clock Hypothesis ◽  
The 19Th Century ◽  
Second World ◽  
The Brain

In 1955, Norbert Wiener suggested a sociological model according to which all forms of culture ultimately depended on the temporal coordination of human activities, in particular their synchronization. The basis for Wiener’s model was provided by his insights into the temporal structures of cerebral processes. This article reconstructs the historical context of Wiener’s ‘brain clock’ hypothesis, largely via his dialogues with John W. Stroud and other scholars working at the intersection of neurophysiology, experimental psychology, and electrical engineering. Since the 19th century, physiologists and psychologists have been conducting experimental investigations into the relation between time and the brain. Using innovative instruments and technologies, Stroud rehearsed these experiments, in part without paying any attention at all to the experimental traditions involved. Against this background, this article argues that the novelty of Wiener’s model relies largely on his productive rephrasing of physiological and psychological findings that had been established long before the Second World War.

scholarly journals Current Status of the Molecular Clock Hypothesis

2003 ◽  
Vol 65 (9) ◽  
pp. 661-663
Author(s):  
Gilbert Hermann
Keyword(s):  
Molecular Clock ◽  
Current Status ◽  
Molecular Clock Hypothesis ◽  
Clock Hypothesis

Persistent, vertical-migration rhythms in benthic microflora.: II. Field and Laboratory Studies On Diatoms From The Banks Of The River Avon

1966 ◽  
Vol 46 (1) ◽  
pp. 191-214 ◽  
Author(s):  
F. E. Round ◽  
J. D. Palmer
Keyword(s):  
High Temperatures ◽  
Vertical Migration ◽  
Laboratory Experiments ◽  
Biological Clock ◽  
Diatom Species ◽  
Laboratory Studies ◽  
Natural Conditions ◽  
Constant Illumination ◽  
Different Temperatures ◽  
Clock Hypothesis

The vertical migration of two Euglena species and several diatom species into and out of the sediment on the banks of the River Avon has been studied under natural conditions. All species have been shown to migrate vertically upwards when exposed during daylight. Tidal flooding of the sediment is generally preceded by re-burrowing of the algae beneath the surface. Methods have been devised to follow these migrations in both the field and laboratory. Laboratory experiments show that these migrations are rhythmic, continuing under constant illumination and temperature and removed from tidal influence. The effect of three different temperatures and three different light intensities has been investigated. Transfer from low to high temperatures has been shown to reset the phase of the rhythm. The results are discussed in relation to other work and to the ‘biological clock’ hypothesis.

scholarly journals The internal clock hypothesis for astro-navigation in homing pigeons

1966 ◽  
Vol 5 (7) ◽  
pp. 259-260 ◽  
Author(s):  
Merle E. Meyer
Keyword(s):  
Internal Clock ◽  
Homing Pigeons ◽  
Clock Hypothesis

scholarly journals Albumin Evolution in Frogs: A Test of the Evolutionary Clock Hypothesis

1971 ◽  
Vol 68 (12) ◽  
pp. 3127-3129 ◽  
Author(s):  
D. G. Wallace ◽  
L. R. Maxson ◽  
A. C. Wilson
Keyword(s):  
Evolutionary Clock ◽  
Clock Hypothesis
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