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[7] [4] More specifically, geckos, which were thought to be naturally nocturnal have shown many transitions to diurnality, with about 430 species of geckos now showing diurnal activity. [4] With so many diurnal species recorded, comparative analysis studies using newer lineages of gecko species have been done to study the evolution of diurnality.
A Young Man Reading by Candlelight, Matthias Stom (ca. 1630). A night owl, evening person, or simply owl, is a person who tends or prefers to be active late at night and into the early morning, and to sleep and wake up later than is considered normal; night owls often work or engage in recreational activities late into the night (in some cases, until around dawn), and sleep until relatively ...
Polyphasic sleep can be caused by irregular sleep-wake syndrome, a rare circadian rhythm sleep disorder which is usually caused by neurological abnormality, head injury or dementia. [34] Much more common examples are the sleep of human infants and of many animals. Elderly humans often have disturbed sleep, including polyphasic sleep. [35]
Infrasound wavelengths can be generated artificially through detonations and other human activity, or naturally from earthquakes, severe weather, lightning, and other sources. [74] Like forensic seismology , algorithms and other filter techniques are required to analyze gathered data and characterize events to determine if a nuclear detonation ...
Entrainment in the biomusicological sense refers to the synchronization (e.g., foot tapping) of organisms to an external perceived rhythm such as human music and dance. Humans are the only species for which all individuals experience entrainment, although there are documented examples of entrained nonhuman individuals.
Biomusic can be divided into two basic categories: music that is created solely by the animal (or in some cases plant), and music which is based upon animal noises but which is arranged by a human composer. Some forms of music use recorded sounds of nature as part of the music, for example new-age music uses the nature sounds as backgrounds for ...
A 2007 survey of over 55,000 people found that chronotypes tend to follow a normal distribution, with extreme morning and evening types on the far ends. [6] There are studies that suggest genes determine whether a person is a lark or an evening person in the same way it is implicated in people's attitude toward authority, unconventional behavior, as well as reading and television viewing ...
Like the origin of language, the origin of music has been a topic for speculation and debate for centuries. [3] Leading theories include Darwin's theory of partner choice (women choose male partners based on musical displays), the idea that human musical behaviors are primarily based on behaviors of other animals (see zoomusicology), the idea that music emerged because it promotes social ...