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Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
Published on: May 23, 2019
Mechanisms of interference in vibrotactile working memory.
Tyler D Bancroft1, Philip Servos, William E Hockley
1Department of Psychology, Wilfrid Laurier University, Waterloo, Ontario, Canada.
Plos One
|August 6, 2011
Summary
This study reveals two ways interference affects vibrotactile working memory. Varying distractor timing shows that interference can overwrite stored information or disrupt decision-making.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human-Computer Interaction
Background:
- Previous research on vibrotactile working memory interference suggested feature overwriting.
- Distractors were presented late in the delay period, potentially affecting decision-making rather than memory storage.
- The precise mechanisms of interference in vibrotactile working memory require further investigation.
Purpose of the Study:
- To investigate the mechanisms of interference in vibrotactile working memory.
- To determine if distractor timing influences the type of interference observed.
- To differentiate between information overwriting and decision-making disruption.
Main Methods:
- A delayed match-to-sample task was employed using vibrotactile stimuli.
- Distractor stimuli were presented at different time points (early, middle, late) within the delay period.
- Accuracy of same/different decisions was analyzed to infer interference mechanisms.
Main Results:
- Early and middle distractor onsets demonstrated interference consistent with feature overwriting.
- Late distractor onsets showed interference patterns suggesting disruption of the decision-making process.
- Both overwriting and non-overwriting forms of interference were observed, dependent on distractor timing.
Conclusions:
- Vibrotactile working memory interference is not solely based on feature overwriting.
- Distractor timing is a critical factor in determining the nature of interference.
- Findings suggest distinct neural processes are involved in memory maintenance and decision-making in vibrotactile tasks.
Related Concept Videos
01:24Working Memory
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this information.
01:16Interference and Decay
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...