Sources of dual-task interference: evidence from human electrophysiology

Article Abstract:

Two experiments were conducted using electrophysiological recordings in an attempt to explain the reason for the response time delay in the specific index of perception and categorization, also known as the P3 wave. It was believed that the locus of interference occurred when a person attempted to achieve two tasks at the same time. Results revealed the occurrence of the dual-task interference in the psychological refractory period paradigm after the early sensory stage and prior to the motor execution stage. Also, interference occurred at the stage of processing.

Usage, Interference (Perception), Electrophysiology, Categorization (Psychology)

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Stroop interference and color-word similarity

Article Abstract:

Color-word similarity influences the Stroop interference. Stroop interference refers to the fact that naming the color of an incongruent color word takes more time than the color of a neutral word. Stroop interference decreases with a decrease in associative strength between words and colors. Color naming and word-reading process interact at conceptual levels before response emission. Stroop error rates and interference in the color naming problem of Stroop task are associated with distance in color space.

Psychological aspects, Color vision, Similarity (Psychology)

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The price of expertise: effects of experience on the water-level task

Article Abstract:

The water-level task concerns peoples' knowledge that water-level should remain horizontal to the ground, even when a flask is tilted. Subjects, even waitresses, had a relative perspective in which how the liquid's surface was oriented was compared to the container rather than the surrounding environment. The result with waitresses was a rare case of performance declining with experience. The container-relative perspective led to perceptual bias which resulted in the mistakes seen in this task.

Testing, Adaptability (Psychology)

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