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Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Satellite photograph of a mesa in the Cydonia region of Mars, often called the "Face on Mars" and cited as evidence of extraterrestrial habitation. Pareidolia (/ ˌ p ær ɪ ˈ d oʊ l i ə, ˌ p ɛər-/; [1] also US: / ˌ p ɛər aɪ-/) [2] is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one detects an object, pattern, or ...
In a maze, one can get lost on a voluntary basis. Psychology and neuroscience help to understand the underlying processes which take place before, during and after getting lost. Getting lost is an aspect of behavioral geography, in which human wayfinding and cognitive and environmental factors play a role. For successful travel, it is necessary ...
Modern humans often find themselves desynchronized from their internal circadian clock, due to the requirements of work (especially night shifts), long-distance travel, and the influence of universal indoor lighting. [33] Even if they have sleep debt, or feel sleepy, people can have difficulty staying asleep at the peak of their circadian cycle.
It has also been considered an important moral virtue, as curiosity can help humans find meaning in their lives and to cultivate a sense of care about others and things in the world. [36] When curiosity in young people leads to knowledge-gathering it is widely seen as a positive. [37]
Wonder is an emotion comparable to surprise that people feel when perceiving something rare or unexpected (but not threatening). It has historically been seen as an important aspect of human nature, specifically being linked with curiosity and the drive behind intellectual exploration. [1]
All 67 people on board the American Airlines regional jet and US Army Black Hawk helicopter that collided midair Wednesday night are presumed dead – a grim tragedy that has left a heartbreaking ...
Why We Sleep: The New Science of Sleep and Dreams (or simply known as Why We Sleep) is a 2017 popular science book about sleep written by Matthew Walker, an English scientist and the director of the Center for Human Sleep Science at the University of California, Berkeley, who specializes in neuroscience and psychology.