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Sisk CA, Lee VG. The attentional boost effect reflects both enhanced memory for target-paired objects and impaired memory for distractor-paired objects. J Exp Psychol Learn Mem Cogn 2024; 50:1187-1198. [PMID: 38095947 PMCID: PMC11180455 DOI: 10.1037/xlm0001320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Throughout prolonged tasks, visual attention fluctuates temporally in response to the present stimuli, task demands, and changes in available attentional resources. This temporal fluctuation has downstream effects on memory for stimuli presented during the task. Researchers have established that detection of a target (e.g., a square of a color to which participants are instructed to respond with a button press) within a rapid serial visual presentation (RSVP) stream leads to better memory for concurrently presented stimuli than for stimuli presented along with an RSVP distractor (e.g., a square of a color to which participants are instructed to withhold response). Although debates have arisen regarding whether this memory difference, termed the attentional boost effect, results from target-induced enhancement, distractor-induced impairment, or a combination of the two, researchers have largely come to focus on explanations that consider only target-induced memory enhancement. In the present study, we show across three large-sampled experiments a consistent appearance of both target-induced memory enhancement and distractor-induced memory impairment relative to a baseline. In each experiment, participants responded with a spacebar press to squares of one color in an RSVP stream while withholding response to squares of another color and trials with no square (baseline trials). They simultaneously memorized concurrently presented objects. The presence of both enhancement and impairment in these experiments invites the development of new dual-task research that considers distractor-induced memory impairment and the control of temporal selection across tasks. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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2
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Shang C, Sun M, Zhang Q. The effect of target detection task on memory encoding varies in different stimulus onset asynchronies. Mem Cognit 2024:10.3758/s13421-024-01572-1. [PMID: 38713453 DOI: 10.3758/s13421-024-01572-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2024] [Indexed: 05/08/2024]
Abstract
The attentional boost effect (ABE) and action-induced memory enhancement (AIME) suggest that memory performance for target-paired items is superior to that for distractor-paired items when participants performed a target detection task and a memory encoding task simultaneously. Though the memory enhancement has been well established, the temporal dynamics of how the target detection task influenced memory encoding remains unclear. To investigate this, we manipulated the stimulus onset asynchrony (SOA) between detection stimuli and the words to be memorized using a remember/know study-test paradigm, and we focused primarily on memory performance for the words that appeared after the detection response. The results showed that target-paired memory enhancement was robust from SOA = 0 s to SOA = 0.75 s, but was not significant when examined by itself in Experiment 1A or weakened in Experiment 2 and the conjoint analysis when SOA = 1 s, which were only observed in R responses. The post-response memory enhancement still existed when there was no temporal overlap between the word and target, similar to the magnitude of memory enhancement observed with temporal overlap. These results supported the view that target-paired memory enhancement (recollection rather than familiarity) occurred irrespective of whether the items appeared simultaneously with the targets or within a short period after the response, and the temporal overlap of the word and target was not necessary for post-response memory enhancement.
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Affiliation(s)
- Chenyang Shang
- Learning and Cognition Key Laboratory of Beijing, School of Psychology, Capital Normal University, Beijing, 100048, China
| | - Meng Sun
- The School of Mental Health and Psychological Sciences, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Qin Zhang
- Learning and Cognition Key Laboratory of Beijing, School of Psychology, Capital Normal University, Beijing, 100048, China.
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3
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Riley E, Turker H, Wang D, Swallow KM, Anderson AK, De Rosa E. Nonlinear changes in pupillary attentional orienting responses across the lifespan. GeroScience 2024; 46:1017-1033. [PMID: 37318717 PMCID: PMC10828243 DOI: 10.1007/s11357-023-00834-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/18/2023] [Indexed: 06/16/2023] Open
Abstract
The cognitive aging process is not necessarily linear. Central task-evoked pupillary responses, representing a brainstem-pupil relationship, may vary across the lifespan. Thus we examined, in 75 adults ranging in age from 19 to 86, whether task-evoked pupillary responses to an attention task may serve in as an index of cognitive aging. This is because the locus coeruleus (LC), located in the brainstem, is not only among the earliest sites of degeneration in pathological aging, but also supports both attentional and pupillary behaviors. We assessed brief, task-evoked phasic attentional orienting to behaviorally relevant and irrelevant auditory tones, stimuli known specifically to recruit the LC in the brainstem and evoke pupillary responses. Due to potential nonlinear changes across the lifespan, we used a novel data-driven analysis on 6 dynamic pupillary behaviors on 10% of the data to reveal cut off points that best characterized the three age bands: young (19-41 years old), middle aged (42-68 years old), and older adults (69 + years old). Follow-up analyses on independent data, the remaining 90%, revealed age-related changes such as monotonic decreases in tonic pupillary diameter and dynamic range, along with curvilinear phasic pupillary responses to the behaviorally relevant target events, increasing in the middle-aged group and then decreasing in the older group. Additionally, the older group showed decreased differentiation of pupillary responses between target and distractor events. This pattern is consistent with potential compensatory LC activity in midlife that is diminished in old age, resulting in decreased adaptive gain. Beyond regulating responses to light, pupillary dynamics reveal a nonlinear capacity for neurally mediated gain across the lifespan, thus providing evidence in support of the LC adaptive gain hypothesis.
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Affiliation(s)
- Elizabeth Riley
- Department of Psychology, Cornell University, Ithaca, NY, USA.
| | - Hamid Turker
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - Dongliang Wang
- Department of Public Health and Preventative Medicine, SUNY Upstate Medical University, Syracuse, NY, USA
| | - Khena M Swallow
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - Adam K Anderson
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - Eve De Rosa
- Department of Psychology, Cornell University, Ithaca, NY, USA
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4
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Wang YC, Egner T. Target detection does not influence temporal memory. Atten Percept Psychophys 2023; 85:1936-1948. [PMID: 37202586 DOI: 10.3758/s13414-023-02723-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 05/20/2023]
Abstract
Target detection has been found to enhance memory for concurrently presented stimuli under dual-task conditions. This "attentional boost effect" is reminiscent of findings in the event memory literature, where conditions giving rise to event boundaries have been shown to enhance memory for boundary items. Target detection commonly requires a working memory update (e.g., adding to a covert mental target count), which is also thought to be a key contributor to creating event boundaries. However, whether target detection impacts temporal memory in similar ways as event boundaries remains unknown, because these two parallel literatures have used different types of memory tests, making direct comparisons difficult. In a preregistered experiment with sequential Bayes factor design, we examined whether target detection influences temporal binding between items by inserting target and nontarget stimuli during encoding of trial-unique object images, and then comparing subsequent temporal order and distance memory for image pairs that span a target or nontarget. We found that target detection enhanced recognition memory for target trial images but had no effect on temporal binding between items. In a follow-up experiment, we showed that when the encoding task required updating of task set rather than target count, event segmentation-related temporal memory effects were observed. These results document that target detection as such does not disrupt inter-item associations in memory, and that attention orienting in the absence of updating task sets does not create event boundaries. This suggests a key distinction between declarative and procedural working memory updates in segmenting events in memory.
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Affiliation(s)
- Yuxi Candice Wang
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
- Center for Cognitive Neuroscience, Duke University, Levine Science Research Center Box 90999, Durham, NC, 27708, USA.
| | - Tobias Egner
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
- Center for Cognitive Neuroscience, Duke University, Levine Science Research Center Box 90999, Durham, NC, 27708, USA
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5
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Cole L, Lightman S, Clark R, Gilchrist ID. Tonic and phasic effects of reward on the pupil: implications for locus coeruleus function. Proc Biol Sci 2022; 289:20221545. [PMID: 36100024 PMCID: PMC9470248 DOI: 10.1098/rspb.2022.1545] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The locus coeruleus (LC), a nucleus in the pons of the brainstem, plays a significant role in attention and cognitive control. Here, we use an adapted auditory oddball paradigm and measured the pupil dilation response, to provide a marker of LC activity in humans. In Experiment 1, we show event-related pupil responses to rare auditory events which were further elevated by task relevant. In Experiment 2, by asking participants to silently count the number of oddballs, we demonstrated that the task-relevance elevation was not a result of the generation or execution of the manual response. In Experiment 3, we observed two separate effects of reward on the pupil response. First, we found an overall increase in pupil area in the high compared to the low-reward blocks: a sustained effect reminiscent of the tonic changes that occur in LC. Second, we found elevated event-related pupil responses to behaviourally relevant stimuli in the high-reward condition compared with the low-reward condition, consistent with phasic changes in LC in response to a stimulus. These results highlight the complexity of the relationship between the pupil response and reward, and the inferred role of LC in both top-down and bottom-up cognitive control.
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Affiliation(s)
- Laura Cole
- Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, Bristol Medical School, University of Bristol, Bristol, UK
| | - Stafford Lightman
- Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, Bristol Medical School, University of Bristol, Bristol, UK
| | - Rosie Clark
- School of Psychological Science, University of Bristol, 12a Priory Road, Bristol BS8 1TU, UK
| | - Iain D Gilchrist
- School of Psychological Science, University of Bristol, 12a Priory Road, Bristol BS8 1TU, UK
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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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Moyal R, Turker HB, Luh WM, Swallow KM. Auditory Target Detection Enhances Visual Processing and Hippocampal Functional Connectivity. Front Psychol 2022; 13:891682. [PMID: 35769754 PMCID: PMC9234495 DOI: 10.3389/fpsyg.2022.891682] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/18/2022] [Indexed: 11/20/2022] Open
Abstract
Though dividing one's attention between two input streams typically impairs performance, detecting a behaviorally relevant stimulus can sometimes enhance the encoding of unrelated information presented at the same time. Previous research has shown that selection of this kind boosts visual cortical activity and memory for concurrent items. An important unanswered question is whether such effects are reflected in processing quality and functional connectivity in visual regions and in the hippocampus. In this fMRI study, participants were asked to memorize a stream of naturalistic images and press a button only when they heard a predefined target tone (400 or 1,200 Hz, counterbalanced). Images could be presented with a target tone, with a distractor tone, or without a tone. Auditory target detection increased activity throughout the ventral visual cortex but lowered it in the hippocampus. Enhancements in functional connectivity between the ventral visual cortex and the hippocampus were also observed following auditory targets. Multi-voxel pattern classification of image category was more accurate on target tone trials than on distractor and no tone trials in the fusiform gyrus and parahippocampal gyrus. This effect was stronger in visual cortical clusters whose activity was more correlated with the hippocampus on target tone than on distractor tone trials. In agreement with accounts suggesting that subcortical noradrenergic influences play a role in the attentional boost effect, auditory target detection also caused an increase in locus coeruleus activity and phasic pupil responses. These findings outline a network of cortical and subcortical regions that are involved in the selection and processing of information presented at behaviorally relevant moments.
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Affiliation(s)
- Roy Moyal
- Cognitive Science Program, Department of Psychology, Cornell University, Ithaca, NY, United States
| | - Hamid B. Turker
- Cognitive Science Program, Department of Psychology, Cornell University, Ithaca, NY, United States
| | - Wen-Ming Luh
- National Institute on Aging, National Institutes of Health, Baltimore, MD, United States
| | - Khena M. Swallow
- Cognitive Science Program, Department of Psychology, Cornell University, Ithaca, NY, United States
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Franzen L, Cabugao A, Grohmann B, Elalouf K, Johnson AP. Individual pupil size changes as a robust indicator of cognitive familiarity differences. PLoS One 2022; 17:e0262753. [PMID: 35061832 PMCID: PMC8782349 DOI: 10.1371/journal.pone.0262753] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 01/04/2022] [Indexed: 01/09/2023] Open
Abstract
Cognitive psychology has a long history of using physiological measures, such as pupillometry. However, their susceptibility to confounds introduced by stimulus properties, such as color and luminance, has limited their application. Pupil size measurements, in particular, require sophisticated experimental designs to dissociate relatively small changes in pupil diameter due to cognitive responses from larger ones elicited by changes in stimulus properties or the experimental environment. Here, building on previous research, we present a pupillometry paradigm that adapts the pupil to stimulus properties during the baseline period without revealing stimulus meaning or context by using a pixel-scrambled image mask around an intact image. We demonstrate its robustness in the context of pupillary responses to branded product familiarity. Results show larger average and peak pupil dilation for passively viewed familiar product images and an extended later temporal component representing differences in familiarity across participants (starting around 1400 ms post-stimulus onset). These amplitude differences are present for almost all participants at the single-participant level, and vary somewhat by product category. However, amplitude differences were absent during the baseline period. These findings demonstrate that involuntary pupil size measurements combined with the presented paradigm are successful in dissociating cognitive effects of familiarity from physical stimulus confounds.
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Affiliation(s)
- Léon Franzen
- Department of Psychology, Concordia University, Montréal, Quebec, Canada
- Department of Marketing, John Molson School of Business, Concordia University, Montréal, Quebec, Canada
- Department of Psychology, University of Lübeck, Lübeck, Schleswig-Holstein, Germany
| | - Amanda Cabugao
- Department of Psychology, Concordia University, Montréal, Quebec, Canada
| | - Bianca Grohmann
- Department of Marketing, John Molson School of Business, Concordia University, Montréal, Quebec, Canada
| | - Karine Elalouf
- Department of Psychology, Concordia University, Montréal, Quebec, Canada
| | - Aaron P. Johnson
- Department of Psychology, Concordia University, Montréal, Quebec, Canada
- Vision Health Research Network, Montréal, Quebec, Canada
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Concurrent target detection is associated with better memory for object exemplars. Psychon Bull Rev 2021; 29:159-168. [PMID: 34287766 DOI: 10.3758/s13423-021-01983-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2021] [Indexed: 11/08/2022]
Abstract
Under continuous dual-task conditions, participants show better memory for background information appearing at the same time as a response target in a concurrent task than for information appearing with a nontarget (the attentional boost effect, or ABE). While this effect has been demonstrated across a wide range of stimuli, few studies have examined the perceptual specificity of the memory difference. Here, we explored whether the ABE affects general category memory or perceptually specific exemplar memory. In an encoding phase, participants memorized images of objects presented in a continuous stream. At the same time, they pressed the space bar when a square appearing in the center of each image appeared in a target color, ignoring distractor-colored squares. The following four-alternative forced-choice memory test included the previously seen image, a perceptually distinct exemplar from the same category as the previously seen image, and two images from a new category. Regardless of whether images appeared during encoding three times (Experiment 1) or once (Experiment 2), participants recognized the correct exemplar more often during testing for images that had appeared with a target in encoding than for images that had appeared with a distractor. The difference in exemplar memory was not associated with a difference in false memories for within-category foils. This suggests that the ABE reflects modulation of perceptually detailed exemplar memory, which may be related to facilitation of pattern separation by detection-induced changes in cortical-hippocampal connectivity.
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Turker HB, Riley E, Luh WM, Colcombe SJ, Swallow KM. Estimates of locus coeruleus function with functional magnetic resonance imaging are influenced by localization approaches and the use of multi-echo data. Neuroimage 2021; 236:118047. [PMID: 33905860 PMCID: PMC8517932 DOI: 10.1016/j.neuroimage.2021.118047] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 03/06/2021] [Accepted: 04/02/2021] [Indexed: 12/12/2022] Open
Abstract
The locus coeruleus (LC) plays a central role in regulating human cognition, arousal, and autonomic states. Efforts to characterize the LC’s function in humans using functional magnetic resonance imaging have been hampered by its small size and location near a large source of noise, the fourth ventricle. We tested whether the ability to characterize LC function is improved by employing neuromelanin-T1 weighted images (nmT1) for LC localization and multi-echo functional magnetic resonance imaging (ME-fMRI) for estimating intrinsic functional connectivity (iFC). Analyses indicated that, relative to a probabilistic atlas, utilizing nmT1 images to individually localize the LC increases the specificity of seed time series and clusters in the iFC maps. When combined with independent components analysis (ME-ICA), ME-fMRI data provided significant improvements in the temporal signal to noise ratio and DVARS relative to denoised single echo data (1E-fMRI). The effects of acquiring nmT1 images and ME-fMRI data did not appear to only reflect increases in power: iFC maps for each approach overlapped only moderately. This is consistent with findings that ME-fMRI offers substantial advantages over 1E-fMRI acquisition and denoising. It also suggests that individually identifying LC with nmT1 scans is likely to reduce the influence of other nearby brainstem regions on estimates of LC function.
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Affiliation(s)
- Hamid B Turker
- Department of Psychology, Cornell University, 211 Uris Hall, Ithaca, NY, USA.
| | - Elizabeth Riley
- Department of Human Development, Cornell University, 163 Human Ecology Building, Ithaca, NY, USA.
| | - Wen-Ming Luh
- National Institute on Aging, National Institutes of Health, 3001 S Hanover St, Baltimore, MD 21225, USA.
| | - Stan J Colcombe
- Nathan Kline Institute for Psychiatric Research, 140 Old Orangeburg Rd. Orangeburg, NY. 10962.
| | - Khena M Swallow
- Department of Psychology, Cornell University, 211 Uris Hall, Ithaca, NY, USA.
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