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Cognitive disengagement syndrome (CDS) is a syndrome characterized by developmentally-inappropriate, impairing and persistent levels of decoupled attentional processing from the ongoing external context and resultant hypoactivity. Symptoms often manifest in difficulties with staring, mind blanking, withdrawal, mental confusion and maladaptive ...
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 ...
In the US population, prevalence of sitting watching television or videos at least 2 h/d was high in 2015-2016 (ranging from 59% to 65%); the estimated prevalence of computer use outside school or work for at least 1 h/d increased from 2001 to 2016 (from 43% to 56% for children, from 53% to 57% among adolescents, and from 29% to 50% for adults ...
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect. [ 1 ] Usually the onset of the startle response is a startle reflex reaction. The startle reflex is a brainstem reflectory reaction ...
v. t. e. Adolescence (from the Latin adulescere: to grow, to develop, to become larger) [ 1 ] is a biological phase of transition between childhood and adulthood; it is one of the stages of human development after pre-adolescence characterized by changes on various physical, mental, social and psychological levels [ 2 ].
Problematic smartphone use is psychological or behavioral dependence on cell phones. It is closely related to other forms of digital media overuse such as social media addiction or internet addiction disorder. Commonly known as " smartphone addiction ", the term "problematic smartphone use" was proposed by researchers to describe similar ...
Posner cueing task. The Posner cueing task, also known as the Posner paradigm, is a neuropsychological test often used to assess attention. Formulated by Michael Posner, [1] it assesses a person's ability to perform an attentional shift. It has been used and modified to assess disorders, focal brain injury, and the effects of both on spatial ...
Reaction video. A reaction video, or a react video, [1] is a video in which one or more persons react to something. Videos showing the emotional reactions, criticism or commentary of people viewing movies, television series episodes, film trailers, music videos, news, or other media are numerous and popular on online video hosting services such ...