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Aging, Object-Based Inhibition, and ...

Huether, Asenath Xochitl Arauza.

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Aging, Object-Based Inhibition, and Online Data Collection.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Aging, Object-Based Inhibition, and Online Data Collection./
Author:	Huether, Asenath Xochitl Arauza.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	115 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-07, Section: B.
Contained By:	Dissertations Abstracts International82-07B.
Subject:	Cognitive psychology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28156281
ISBN:	9798557028981

Aging, Object-Based Inhibition, and Online Data Collection.
Huether, Asenath Xochitl Arauza.

Aging, Object-Based Inhibition, and Online Data Collection. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 115 p.

Source: Dissertations Abstracts International, Volume: 82-07, Section: B.

Thesis (Ph.D.)--North Dakota State University, 2020.

This item must not be sold to any third party vendors.

Visual selective attention operates in space- and object-based frames of reference. Stimulus salience and task demands influence whether a space- or object-based frame of reference guides attention. I conducted two experiments for the present dissertation to evaluate age patterns in the role of inhibition in object-based attention. The biased competition account (Desimone & Duncan, 1995) proposes that one mechanism through which targets are selected is through suppression of irrelevant stimuli. The inhibitory deficit hypothesis (Hasher & Zacks, 1988) predicts that older adults do not appropriately suppress or ignore irrelevant information. The purpose of the first study was to evaluate whether inhibition of return (IOR) patterns, originally found in a laboratory setting, could be replicated with online data collection (prompted by the COVID-19 pandemic). Inhibition of return is a cognitive mechanism to bias attention from returning to previously engaged items. In a lab setting, young and older adults produced location- and object-based IOR. In the current study, both types of IOR were also observed within object boundaries, although location-based IOR from data collected online was smaller than that from the laboratory. In addition, there was no evidence of an age-related reduction in IOR effects. There was some indication that sampling differences or testing circumstances led to increased variability in online data.The purpose of the second study was to evaluate age differences in top-down inhibitory processes during an attention-demanding object tracking task. Data were collected online. I used a dot-probe multiple object tracking (MOT) task to evaluate distractor suppression during target tracking. Both young and older adults showed poorer dot-probe detection accuracies when the probes appeared on distractors compared to when they appeared at empty locations, reflecting inhibition. The findings suggest that top-down inhibition works to suppress distractors during target tracking and that older adults show a relatively preserved ability to inhibit distractor objects. The findings across both experiments support models of selective attention that posit that goal-related biases suppress distractor information and that inhibition can be directed selectively by both young and older adults on locations and objects in the visual field.

ISBN: 9798557028981Subjects--Topical Terms:

523881
Cognitive psychology.
Subjects--Index Terms:

Inhibition of return

Aging, Object-Based Inhibition, and Online Data Collection.
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520 $a Visual selective attention operates in space- and object-based frames of reference. Stimulus salience and task demands influence whether a space- or object-based frame of reference guides attention. I conducted two experiments for the present dissertation to evaluate age patterns in the role of inhibition in object-based attention. The biased competition account (Desimone & Duncan, 1995) proposes that one mechanism through which targets are selected is through suppression of irrelevant stimuli. The inhibitory deficit hypothesis (Hasher & Zacks, 1988) predicts that older adults do not appropriately suppress or ignore irrelevant information. The purpose of the first study was to evaluate whether inhibition of return (IOR) patterns, originally found in a laboratory setting, could be replicated with online data collection (prompted by the COVID-19 pandemic). Inhibition of return is a cognitive mechanism to bias attention from returning to previously engaged items. In a lab setting, young and older adults produced location- and object-based IOR. In the current study, both types of IOR were also observed within object boundaries, although location-based IOR from data collected online was smaller than that from the laboratory. In addition, there was no evidence of an age-related reduction in IOR effects. There was some indication that sampling differences or testing circumstances led to increased variability in online data.The purpose of the second study was to evaluate age differences in top-down inhibitory processes during an attention-demanding object tracking task. Data were collected online. I used a dot-probe multiple object tracking (MOT) task to evaluate distractor suppression during target tracking. Both young and older adults showed poorer dot-probe detection accuracies when the probes appeared on distractors compared to when they appeared at empty locations, reflecting inhibition. The findings suggest that top-down inhibition works to suppress distractors during target tracking and that older adults show a relatively preserved ability to inhibit distractor objects. The findings across both experiments support models of selective attention that posit that goal-related biases suppress distractor information and that inhibition can be directed selectively by both young and older adults on locations and objects in the visual field.
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