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PRP is a product of the psychological refractory period paradigm, a paradigm in which two different stimuli are presented in rapid succession, each requiring a fast response. [1] Stimulus onset asynchrony , the time that lapses between the presentations of the two stimuli, acts as the independent variable in this paradigm, and the reaction time ...
A marked delay of sleep patterns is a normal feature of the development of adolescent humans. According to Mary Carskadon , both circadian phase and homeostasis (the accumulation of sleep pressure during the wake period) contribute to a DSPD-like condition in post-pubertal as compared to pre-pubertal youngsters. [ 64 ]
Delaying gratification is the reverse of delay discounting, which is "the preference for smaller immediate rewards over larger but delayed rewards" and refers to the "fact that the subjective value of reward decreases with increasing delay to its receipt". [3]
A 2011 brain imaging study of a sample from the original Stanford participants when they reached mid-life showed key differences between those with high delay times and those with low delay times in two areas: the prefrontal cortex (more active in high delayers) and the ventral striatum, (more active in low delayers) when they were trying to ...
Developmental regression is when a child who has reached a certain developmental stage begins to lose previously acquired milestones. [1] It differs from global developmental delay in that a child experiencing developmental delay is either not reaching developmental milestones or not progressing to new developmental milestones, while a child experiencing developmental regression will lose ...
Global developmental delay is an umbrella term used when children are significantly delayed in two or more areas of development. It can be diagnosed when a child is delayed in one or more milestones, categorised into motor skills , speech , cognitive skills, and social and emotional development. [ 1 ]
Jonides et al. (2008) found neural evidence for decay in tests demonstrating a general decline in activation in posterior regions over a delay period. [20] Though this decline was not found to be strongly related to performance, this evidence is a starting point in making these connections between decay and neural imaging.
Examples of psychomotor retardation include the following: [5] Unaccountable difficulty in carrying out what are usually considered "automatic" or "mundane" self care tasks for healthy people (i.e., without depressive illness) such as taking a shower, dressing, grooming, cooking, brushing teeth, and exercising.