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Huang F, Lin G, Meng Y, Lin Y, Zheng S. The role of alerting in the attentional boost effect. Front Psychol 2023; 14:1075979. [PMID: 37089742 PMCID: PMC10117126 DOI: 10.3389/fpsyg.2023.1075979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/02/2023] [Indexed: 04/25/2023] Open
Abstract
Stimuli presented simultaneously with behaviorally relevant events (e.g., targets) are better memorized, an unusual effect defined as the attentional boost effect (ABE). We hypothesized that all types of behaviorally relevant events, including attentional cues, can promote the encoding process for the stimuli paired with them, and the attentional alerting network can amplify the ABE. The two experiments we conducted demonstrated that not all behaviorally relevant events, including alerting cues, benefit the processing of concurrently paired stimuli. We also found that the presence of a cue prior to a target can extend the memory advantage produced by target detection, but this advantage can only be observed within a limited range of time. Overall, our study provides the first evidence that the alerting network plays an important role in the ABE.
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Affiliation(s)
- Fajie Huang
- School of Health, Fujian Medical University, Fuzhou, China
- School of Psychology, Fujian Normal University, Fuzhou, China
| | - Guyang Lin
- School of Psychology, Fujian Normal University, Fuzhou, China
| | - Yingfang Meng
- School of Psychology, Fujian Normal University, Fuzhou, China
- *Correspondence: Yingfang Meng,
| | - Yuanyuan Lin
- Education Research Institution of Fujian Province, Fuzhou, China
| | - Siqi Zheng
- School of Psychology, Fujian Normal University, Fuzhou, China
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Swallow KM, Broitman AW, Riley E, Turker HB. Grounding the Attentional Boost Effect in Events and the Efficient Brain. Front Psychol 2022; 13:892416. [PMID: 35936250 PMCID: PMC9355572 DOI: 10.3389/fpsyg.2022.892416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 06/10/2022] [Indexed: 12/22/2022] Open
Abstract
Attention and memory for everyday experiences vary over time, wherein some moments are better attended and subsequently better remembered than others. These effects have been demonstrated in naturalistic viewing tasks with complex and relatively uncontrolled stimuli, as well as in more controlled laboratory tasks with simpler stimuli. For example, in the attentional boost effect (ABE), participants perform two tasks at once: memorizing a series of briefly presented stimuli (e.g., pictures of outdoor scenes) for a later memory test, and responding to other concurrently presented cues that meet pre-defined criteria (e.g., participants press a button for a blue target square and do nothing for a red distractor square). However, rather than increasing dual-task interference, attending to a target cue boosts, rather than impairs, subsequent memory for concurrently presented information. In this review we describe current data on the extent and limitations of the attentional boost effect and whether it may be related to activity in the locus coeruleus neuromodulatory system. We suggest that insight into the mechanisms that produce the attentional boost effect may be found in recent advances in the locus coeruleus literature and from understanding of how the neurocognitive system handles stability and change in everyday events. We consequently propose updates to an early account of the attentional boost effect, the dual-task interaction model, to better ground it in what is currently known about event cognition and the role that the LC plays in regulating brain states.
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Affiliation(s)
- Khena M. Swallow
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Cognitive Science Program, Cornell University, Ithaca, NY, United States
- *Correspondence: Khena M. Swallow,
| | - Adam W. Broitman
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Cognitive Science Program, Cornell University, Ithaca, NY, United States
| | - Elizabeth Riley
- Department of Psychology, Cornell University, Ithaca, NY, United States
| | - Hamid B. Turker
- Department of Psychology, Cornell University, Ithaca, NY, United States
- Cognitive Science Program, Cornell University, Ithaca, NY, United States
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Zheng S, Meng Y, Lin G. The attentional boost effect with semantic information detection tasks. Q J Exp Psychol (Hove) 2020; 74:510-522. [PMID: 33063602 DOI: 10.1177/1747021820969037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The attentional boost effect (ABE) is a phenomenon in which in some dual tasks, increased attention to target detection causes an increase in memory performance related to items paired with the target. However, in previous studies concerning the ABE, the detection task objects usually reflected perceptual information. Whether the ABE could be observed if the task involves detecting semantic information is unclear. To answer this question, the present study adopted the classic dual-task paradigm of the ABE. Arabic numerals were used as semantic information stimuli in the detection tasks, and the degree of semantic processing in the detection task gradually increased over three experiments. The results showed that target detection with semantic information (i.e., digits) triggered the ABE (Experiment 1) and that the ABE was also generated under the semantic judgement-based detection task (i.e., odd-even detection task) regardless of whether the detection task used a single-target stimulus (Experiment 2) or a multi-target stimulus (Experiment 3). These findings indicate that an increased semantic load before the target decision in the detection task does not affect the ABE, and both perceptual detection and semantic detection can trigger the ABE.
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Affiliation(s)
- Siqi Zheng
- School of Psychology, Fujian Normal University, Fuzhou, P.R. China
| | - Yingfang Meng
- School of Psychology, Fujian Normal University, Fuzhou, P.R. China
| | - Guyang Lin
- School of Psychology, Fujian Normal University, Fuzhou, P.R. China
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Protopapas A, Mitsi A, Koustoumbardis M, Tsitsopoulou SM, Leventi M, Seitz AR. Incidental orthographic learning during a color detection task. Cognition 2017; 166:251-271. [DOI: 10.1016/j.cognition.2017.05.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 05/10/2017] [Accepted: 05/19/2017] [Indexed: 12/22/2022]
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Monetary reward modulates task-irrelevant perceptual learning for invisible stimuli. PLoS One 2015; 10:e0124009. [PMID: 25942318 PMCID: PMC4420259 DOI: 10.1371/journal.pone.0124009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 03/09/2015] [Indexed: 11/19/2022] Open
Abstract
Task Irrelevant Perceptual Learning (TIPL) shows that the brain's discriminative capacity can improve also for invisible and unattended visual stimuli. It has been hypothesized that this form of "unconscious" neural plasticity is mediated by an endogenous reward mechanism triggered by the correct task performance. Although this result has challenged the mandatory role of attention in perceptual learning, no direct evidence exists of the hypothesized link between target recognition, reward and TIPL. Here, we manipulated the reward value associated with a target to demonstrate the involvement of reinforcement mechanisms in sensory plasticity for invisible inputs. Participants were trained in a central task associated with either high or low monetary incentives, provided only at the end of the experiment, while subliminal stimuli were presented peripherally. Our results showed that high incentive-value targets induced a greater degree of perceptual improvement for the subliminal stimuli, supporting the role of reinforcement mechanisms in TIPL.
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Hoffing RC, Seitz AR. Pupillometry as a glimpse into the neurochemical basis of human memory encoding. J Cogn Neurosci 2014; 27:765-74. [PMID: 25390194 DOI: 10.1162/jocn_a_00749] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Neurochemical systems are well studied in animal learning; however, ethical issues limit methodologies to explore these systems in humans. Pupillometry provides a glimpse into the brain's neurochemical systems, where pupil dynamics in monkeys have been linked with locus coeruleus (LC) activity, which releases norepinephrine (NE) throughout the brain. Here, we use pupil dynamics as a surrogate measure of neurochemical activity to explore the hypothesis that NE is involved in modulating memory encoding. We examine this using a task-irrelevant learning paradigm in which learning is boosted for stimuli temporally paired with task targets. We show that participants better recognize images that are paired with task targets than distractors and, in correspondence, that pupil size changes more for target-paired than distractor-paired images. To further investigate the hypothesis that NE nonspecifically guides learning for stimuli that are present with its release, a second procedure was used that employed an unexpected sound to activate the LC-NE system and induce pupil-size changes; results indicated a corresponding increase in memorization of images paired with the unexpected sounds. Together, these results suggest a relationship between the LC-NE system, pupil-size changes, and human memory encoding.
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Leclercq V, Le Dantec CC, Seitz AR. Encoding of episodic information through fast task-irrelevant perceptual learning. Vision Res 2013; 99:5-11. [PMID: 24070687 DOI: 10.1016/j.visres.2013.09.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 09/13/2013] [Accepted: 09/14/2013] [Indexed: 10/26/2022]
Abstract
The mechanisms guiding our learning and memory processes are of key interest to human cognition. While much research shows that attention and reinforcement processes help guide the encoding process, there is still much to know regarding how our brains choose what to remember. Recent research of task-irrelevant perceptual learning (TIPL) has found that information presented coincident with important events is better encoded even if participants are not aware of its presence (see Seitz & Watanabe, 2009). However a limitation of existing studies of TIPL is that they provide little information regarding the depth of encoding supported by pairing a stimulus with a behaviorally relevant event. The objective of this research was to understand the depth of encoding of information that is learned through TIPL. To do so, we adopted a variant of the "remember/know" paradigm, recently reported by Ingram, Mickes, and Wixted (2012), in which multiple confidence levels of both familiar (know) and remember reports are reported (Experiment 1), and in which episodic information is tested (Experiment 2). TIPL was found in both experiments, with higher recognition performance for target-paired than for distractor-paired images. Furthermore, TIPL benefitted both "familiar" and "remember" reports. The results of Experiment 2 indicate that the most confident "remember" response was associated with episodic information, where participants were able to access the location of image presentation for these items. Together, these results indicate that TIPL results in a deep enhancement in the encoding of target-paired information.
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Affiliation(s)
- Virginie Leclercq
- Department of Psychology, University of California - Riverside, 900 University Avenue, Riverside, CA 92521, USA; INSHEA, Grhapes (EA 7287), Suresnes, France
| | - Christophe C Le Dantec
- Department of Psychology, University of California - Riverside, 900 University Avenue, Riverside, CA 92521, USA
| | - Aaron R Seitz
- Department of Psychology, University of California - Riverside, 900 University Avenue, Riverside, CA 92521, USA.
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Kéri S, Nagy H, Levy-Gigi E, Kelemen O. How attentional boost interacts with reward: the effect of dopaminergic medications in Parkinson's disease. Eur J Neurosci 2013; 38:3650-8. [PMID: 24011183 DOI: 10.1111/ejn.12350] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Revised: 07/30/2013] [Accepted: 08/02/2013] [Indexed: 01/30/2023]
Abstract
There is widespread evidence that dopamine is implicated in the regulation of reward and salience. However, it is less known how these processes interact with attention and recognition memory. To explore this question, we used the attentional boost test in patients with Parkinson's disease (PD) before and after the administration of dopaminergic medications. Participants performed a visual letter detection task (remembering rewarded target letters and ignoring distractor letters) while also viewing a series of photos of natural and urban scenes in the background of the letters. The aim of the game was to retrieve the target letter after each trial and to win as much virtual money as possible. The recognition of background scenes was not rewarded. We enrolled 26 drug-naïve, newly diagnosed patients with PD and 25 healthy controls who were evaluated at baseline and follow-up. Patients with PD received dopamine agonists (pramipexole, ropinirole, rotigotine) during the 12-week follow-up period. At baseline, we found intact attentional boost in patients with PD: they were able to recognize target-associated scenes similarly to controls. At follow-up, patients with PD outperformed controls for both target- and distractor-associated scenes, but not when scenes were presented without letters. The alerting, orienting and executive components of attention were intact in PD. Enhanced attentional boost was replicated in a smaller group of patients with PD (n = 15) receiving l-3,4-dihydroxyphenylalanine (L-DOPA). These results suggest that dopaminergic medications facilitate attentional boost for background information regardless of whether the central task (letter detection) is rewarded or not.
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Affiliation(s)
- Szabolcs Kéri
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary; Gyula Nyírő Hospital, National Institute of Psychiatry and Addictions, Budapest, Hungary; Department of Cognitive Science, Budapest University of Technology and Economics, Budapest, Hungary
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Swallow KM, Jiang YV. Attentional load and attentional boost: a review of data and theory. Front Psychol 2013; 4:274. [PMID: 23730294 PMCID: PMC3657623 DOI: 10.3389/fpsyg.2013.00274] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 04/28/2013] [Indexed: 11/13/2022] Open
Abstract
Both perceptual and cognitive processes are limited in capacity. As a result, attention is selective, prioritizing items and tasks that are important for adaptive behavior. However, a number of recent behavioral and neuroimaging studies suggest that, at least under some circumstances, increasing attention to one task can enhance performance in a second task (e.g., the attentional boost effect). Here we review these findings and suggest a new theoretical framework, the dual-task interaction model, that integrates these findings with current views of attentional selection. To reconcile the attentional boost effect with the effects of attentional load, we suggest that temporal selection results in a temporally specific enhancement across modalities, tasks, and spatial locations. Moreover, the effects of temporal selection may be best observed when the attentional system is optimally tuned to the temporal dynamics of incoming stimuli. Several avenues of research motivated by the dual-task interaction model are then discussed.
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Affiliation(s)
- Khena M Swallow
- Department of Psychology and Center for Cognitive Sciences, University of Minnesota Minneapolis, MN, USA
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