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Mental chronometry is the scientific study of processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations. Reaction time (RT; also referred to as " response time ") is measured by the elapsed time between stimulus onset and an individual's response on elementary cognitive ...
The human sexual response cycle is a four-stage model of physiological responses to sexual stimulation, [ 1] which, in order of their occurrence, are the excitement, plateau, orgasmic, and resolution phases. This physiological response model was first formulated by William H. Masters and Virginia E. Johnson, in their 1966 book Human Sexual ...
Barry Singer presented a model of the process of sexual arousal in 1984, in which he conceptualized human sexual response to be composed of three independent but generally sequential components. The first stage, aesthetic response, is an emotional reaction to noticing an attractive face or figure. This emotional reaction produces an increase in ...
The Masters and Johnson research team, composed of William H. Masters and Virginia E. Johnson, pioneered research into the nature of human sexual response and the diagnosis and treatment of sexual disorders and dysfunctions from 1957 until the 1990s. [ 1][ 2] The work of Masters and Johnson began in the Department of Obstetrics and Gynecology ...
A circadian rhythm ( / sərˈkeɪdiən / ), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous) and responds to the environment (is entrained by the environment). Circadian rhythms are regulated by a circadian clock ...
Time perception. In psychology and neuroscience, time perception or chronoception is the subjective experience, or sense, of time, which is measured by someone's own perception of the duration of the indefinite and unfolding of events. [ 1][ 2][ 3] The perceived time interval between two successive events is referred to as perceived duration.
Reflex. In biology, a reflex, or reflex action, is an involuntary, unplanned sequence or action [ 1] and nearly instantaneous response to a stimulus. [ 2][ 3] The simplest reflex is initiated by a stimulus, which activates an afferent nerve. The signal is then passed to a response neuron, which generates a response.
A wet-bulb temperature of around 87.8 degrees is about the maximum healthy humans can cope with, according to recent research. It might not sound that hot, but this is stifling and deadly heat ...