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A dual-task paradigm is a procedure in experimental neuropsychology that requires an individual to perform two tasks simultaneously, in order to compare performance with single-task conditions.
The dual-task n-back task is a variation that was proposed by Susanne Jaeggi et al. in 2003. [5] In the dual-task paradigm, two independent sequences are presented simultaneously, typically using different modalities of stimuli, such as one auditory and one visual. Several smart phone apps and online implementations of the dual n-back task ...
Using the dual-task paradigm, Baddeley and Erses have found, for instance, that patients with Alzheimer's dementia are impaired when performing multiple tasks simultaneously, even when the difficulty of the individual tasks is adapted to their abilities. [6] Two tasks include a memory tasks and a tracking task.
Interference theory says that the learning of new information decreases the retrieval of older information, and this is true for dual-task interference. The dominant task of the two inhibits the other task from completion. It is presumed that the dominant task would be a new task as a previously accomplished task would already be stored in memory.
In one example, a commonly cited study to reference the immaturity of the brain in adolescence is a 2004 study involving a no-go task comparing teens and adults. Adolescents aged 12 to 17 were measured along with adults aged 22 to 27 with an MRI device while performing a task involving earning money.
Whether the focus be on social psychology or cognitive psychology, there are many examples of dual process theories produced throughout the past. The following just show a glimpse into the variety that can be found. [citation needed] Peter Wason and Jonathan St B. T. Evans suggested dual process theory in 1974. [4]
Framing effects occur when linguistically different descriptions of equivalent options lead to inconsistent choices. A famous example of a risky choice framing task is the Asian Disease Problem. [72] This task requires the participants to imagine that their country is about to face a disease which is expected to kill 600 people.
When studying the costs of multitasking there are typically two designs for or types of multitasking that are examined, task switching and dual tasking. Task switching involves shifting one’s attention from one thing to another. Dual tasking, on the other hand, is when attention is divided among multiple things at once.