The Role of Working Memory in Dual-Target Visual Search

Gorbunova, Elena; Kozlov, Kirill S.; Le, Sofia Tkhan Tin; Makarov, Ivan M.

doi:10.3389/fpsyg.2019.01673

Cited by 5 publications

(2 citation statements)

References 35 publications

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“…The prevalence effect (Wolfe et al, 2005), referring to declined behavioral performance due to low prevalence, can explain the relatively long TST. As the number of targets increased, the TST for the first target reduced, which is consistent with the results of previous studies (Gorbunova et al, 2019). As expected, the TST rebounds as the number of remaining targets decreases.…”

Section: Discussionsupporting

confidence: 92%

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Pseudo‐mutual gazing enhances interbrain synchrony during remote joint attention tasking

Chuang

Hsu

2023

Brain and Behavior

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IntroductionMutual gaze enables people to share attention and increase engagement during social interactions through intentional and implicit messages. Although previous studies have explored gaze behaviors and neural mechanisms underlying in‐person eye contact, the growing prevalence of remote communication has raised questions about how to establish mutual gaze remotely and how the brains of interacting individuals synchronize.MethodsTo address these questions, we conducted a study using eye trackers to create a pseudo‐mutual gaze channel that mirrors the gazes of each interacting dyad on their respective remote screens. To demonstrate fluctuations in coupling across brains, we incorporated electroencephalographic hyperscanning techniques to simultaneously record the brain activity of interacting dyads engaged in a joint attention task in player‐observer, collaborative, and competitive modes.ResultsOur results indicated that mutual gaze could improve the efficiency of joint attention activities among remote partners. Moreover, by employing the phase locking value, we could estimate interbrain synchrony (IBS) and observe low‐frequency couplings in the frontal and temporal regions that varied based on the interaction mode. While dyadic gender composition significantly affected gaze patterns, it did not impact the IBS.ConclusionThese results provide insight into the neurological mechanisms underlying remote interaction through the pseudo‐mutual gaze channel and have significant implications for developing effective online communication environments.

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Section: Discussionsupporting

confidence: 92%

“…prevalence, can explain the relatively long TST. As the number of targets increased, the TST for the first target reduced, which is consistent with the results of previous studies (Gorbunova et al, 2019).…”

Section: Mixed Factorial Anova Pearson's R Ssim Jaccardsupporting

confidence: 92%

Pseudo‐mutual gazing enhances interbrain synchrony during remote joint attention tasking

Chuang

Hsu

2023

Brain and Behavior

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Biases on visual warnings during multiple target visual searches on mine monitoring interface

et al. 2023

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The relationship between working memory and the dual-target cost in visual search guidance.

Menneer¹,

Cave²,

Kaplan³

et al. 2019

Journal of Experimental Psychology: Human Perception and Perfor

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Searching for two targets produces a dual-target cost compared with single-target search, with reduced attentional guidance towards targets . We explore the effect of holding a color in working memory (WM) on guidance in single-target search. In Experiments 1 and 2, participants searched for a T of a specific color while holding one of the following in WM: a color patch, a letter, a dot pattern, or an oriented bar. Only when holding a color in WM was guidance in single-target search affected as strongly as it is in dual-target search. In Experiment 3, the target changed color from trial to trial. A color in WM reduced guidance, but not to the extent of dual-target search. However, search and WM error rates were high, suggesting interference and incomplete engagement with the combined task. We conclude that the guidance cost in dualtarget search is not solely due to attentional capture by the WM-color, because the WM-color can be effectively separated from search color, with little confusion between the two. However, WM load does cause substantial interference in guidance when both tasks involve color. These results illustrate the complex interactions between working memory and attentional guidance.When searching for two different target objects (e.g., guns and bombs in airport security screening), observers look at objects that are different from either target, which makes search much less efficient than search for a single target. The need to hold two items WORKING MEMORY AND DUAL-TARGET SEARCH 4 (rather than one) in working memory could contribute to this failure to keep irrrelevant objects from being attended. WORKING MEMORY AND DUAL-TARGET SEARCH

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The Role of Working Memory in Dual-Target Visual Search

Cited by 5 publications

References 35 publications

Pseudo‐mutual gazing enhances interbrain synchrony during remote joint attention tasking

Pseudo‐mutual gazing enhances interbrain synchrony during remote joint attention tasking

Biases on visual warnings during multiple target visual searches on mine monitoring interface

The relationship between working memory and the dual-target cost in visual search guidance.

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