1
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Xin C, Zhang L. Emotion and prospective memory: effects of emotional targets and contexts. PSYCHOLOGICAL RESEARCH 2024; 88:987-1006. [PMID: 38147076 DOI: 10.1007/s00426-023-01903-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 11/22/2023] [Indexed: 12/27/2023]
Abstract
Event-based prospective memory (PM) refers to the ability to remember to perform a delayed and intended action when an event is encountered in the future. Whether emotional targets promote PM performance is still controversial. The reason for these inconsistent findings may be related to the degree of target arousal and context valence (the valence of ongoing task trials) in the previous studies. This study aimed to investigate the separate and combined effects of target valence, arousal, and context valence on event-based PM through two experiments. The results showed that the participants were faster and more accurate in responding to positive, negative, and high-arousal PM targets. Interestingly, an interaction effect of target valence, arousal, and context valence was observed, implying that their individual effects on PM performance cannot be understood in isolation. These findings demonstrate that positive, negative, and high-arousal PM targets can enhance PM performance. In addition, the results provided support for both the emotion enhancement account and the emotion-saliency account, depending upon whether the valence of the PM target matched or did not match the valence of the context. Moreover, context valence can modulate the effect of arousal on PM across different target valences.
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Affiliation(s)
- Cong Xin
- School of Psychology, Nanjing Normal University, No. 122 Ninghai Road Gulou District, Nanjing, 210097, China.
| | - Lin Zhang
- Jiangsu Normal University Affiliated Experimental School, Xuzhou, China
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2
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Neuroplasticity Elicited by Modified Pharyngeal Electrical Stimulation: A Pilot Study. Brain Sci 2023; 13:brainsci13010119. [PMID: 36672100 PMCID: PMC9856550 DOI: 10.3390/brainsci13010119] [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: 11/13/2022] [Revised: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 01/12/2023] Open
Abstract
Modified pharyngeal electrical stimulation (mPES) is a novel therapeutic method for patients with neurogenic dysphagia and tracheostomy. However, the underlying neural mechanisms are still unclear. This study aims to investigate the impact of mPES on swallowing-related neural networks and involuntary swallowing frequency using functional near-infrared spectroscopy (fNIRS). 20 healthy volunteers participated in this study, including two separate experimental paradigms. Experiment 1: Immediate effect observation, 20 participants (10 female; mean age 47.65 ± 10.48) were delivered with real and sham mPES in random order for 8 repetitions. fNIRS signals were collected during the whole period of Experiments 1. Swallowing frequency was assessed during sham/real mPES. Experiment 2: Prolonged effect observation, 7 out of the 20 participants (4 female; mean age 49.71 ± 6.26) completed real mPES for 5 sessions (1 session/day). 13 of the 20 participants withdrew for personal reasons. Hemodynamic changes were recorded by fNIRS on day 1 and 5. Results show that mPES evoked cortical activation over a distributed network in bilateral primary somatosensory, primary motor, somatosensory association cortex, pre-motor and supplementary motor area, dorsolateral prefrontal cortex, Broca's area, and supramarginal gyrus part of Wernicke's area. Meanwhile, the increased frequency of involuntary swallowing was associated with decreased frontopolar activation (frontopolar cortex: Channel 6, p = 0.024, r = -0.529; Channel 23, p = 0.019, r = -0.545). Furthermore, after five days of mPES, decreased cortical activations were observed in the right dorsolateral prefrontal and supramarginal gyrus part of Wernicke's area, and left frontopolar and M1 areas. Overall, these results might suggest that mPES could elicit changes in neuroplasticity that could reorganize the swallowing-related neural network and increase involuntary swallow frequency.
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Abstract
Initial evaluation structures (IESs) currently proposed as the earliest detectors of affective stimuli (e.g., amygdala, orbitofrontal cortex, or insula) are high-order structures (a) whose response latency cannot account for the first visual cortex emotion-related response (~80 ms), and (b) lack the necessary infrastructure to locally analyze the visual features that define emotional stimuli. Several thalamic structures accomplish both criteria. The lateral geniculate nucleus (LGN), a first-order thalamic nucleus that actively processes visual information, with the complement of the thalamic reticular nucleus (TRN) are proposed as core IESs. This LGN–TRN tandem could be supported by the pulvinar, a second-order thalamic structure, and by other extrathalamic nuclei. The visual thalamus, scarcely explored in affective neurosciences, seems crucial in early emotional evaluation.
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Affiliation(s)
- Luis Carretié
- Facultad de Psicología, Universidad Autónoma de Madrid, Spain
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4
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Magis-Weinberg L, Custers R, Dumontheil I. Sustained and Transient Processes in Event-based Prospective Memory in Adolescence and Adulthood. J Cogn Neurosci 2020; 32:1924-1945. [DOI: 10.1162/jocn_a_01604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Abstract
Prospective memory (PM) refers to the cognitive processes associated with remembering to perform an intended action after a delay. Varying the salience of PM cues while keeping the intended response constant, we investigated the extent to which participants relied on strategic monitoring, through sustained, top–down control, or on spontaneous retrieval via transient bottom–up processes. There is mixed evidence regarding developmental improvements in event-based PM performance after the age of 13 years. We compared PM performance and associated sustained and transient neural correlates in 28 typically developing adolescents (12–17 years old) and 19 adults (23–30 years old). Lower PM cue salience associated with slower ongoing task (OT) RTs, reflected by increased μ ex-Gaussian parameter, and sustained increases in frontoparietal activation during OT blocks, both thought to reflect greater proactive control supporting cue monitoring. Behavioral and neural correlates of PM trials were not specifically modulated by cue salience, revealing little difference in reactive control between conditions. The effect of cue salience was similar across age groups, suggesting that adolescents are able to adapt proactive control engagement to PM task demands. Exploratory analyses showed that younger, but not older, adolescents were less accurate and slower in PM trials relative to OT trials than adults and showed greater transient activation in PM trials in an occipito-temporal cluster. These results provide evidence of both mature and still maturing aspects of cognitive processes associated with implementation of an intention after a delay during early adolescence.
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5
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An Effect of Chronic Stress on Prospective Memory via Alteration of Resting-State Hippocampal Subregion Functional Connectivity. Sci Rep 2019; 9:19698. [PMID: 31873134 PMCID: PMC6928207 DOI: 10.1038/s41598-019-56111-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 11/29/2019] [Indexed: 12/16/2022] Open
Abstract
The alteration of hippocampal function by chronic stress impairs higher order cognitive functions such as prospective memory (PM). However, how chronic stress affects hippocampal subregions related to PM remains largely unknown. In this study, the altered functional network of hippocampal subregions related to PM in chronic stress was explored. College students (N = 21) completed PM tasks and resting-state functional magnetic resonance imaging scans one month prior to (baseline) and during the final examination week (chronic stress). Hippocampal subregions’ seed-based functional connectivity (FC) and PM were compared between baseline and chronic stress. PM performance declined in chronic stress. The FC of the cornu ammonis 2, 3 and dentate gyrus (CA23DG) with the bilateral caudate and precuneus was increased in chronic stress, while the FC of the subicular complex (SUBC) with the left middle frontal gyrus, the left inferior parietal gyrus and the right supramarginal gyrus was decreased. There was a negative correlation between PM performance and the FC of hippocampal subregions. We found chronic stress impairs PM by decreasing the FC of SUBC and increasing the FC of CA23DG. These findings suggest functional changes in hippocampal subregion networks as a mechanism underlying the impairment of PM in chronic stress.
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6
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Dysregulation of multisensory processing stands out from an early stage of migraine: a study in pediatric patients. J Neurol 2019; 267:760-769. [DOI: 10.1007/s00415-019-09639-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 11/13/2019] [Accepted: 11/14/2019] [Indexed: 12/18/2022]
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7
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Loprinzi PD, Edwards MK, Frith E. Exercise and Prospective Memory. J Lifestyle Med 2018; 8:51-59. [PMID: 30474001 PMCID: PMC6239140 DOI: 10.15280/jlm.2018.8.2.51] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 06/10/2018] [Indexed: 12/05/2022] Open
Abstract
The purpose of this paper was to review the literature to evaluate the potential effects of exercise on prospective memory (PM). A narrative review was employed. In this review, we provide a brief description of PM; indicate the effects of PM on health; evaluate the effects of age and neurological impairment on PM; examine the neural correlates of PM; provide a description of specific components that subserve PM; identify non-behavioral strategies used to enhance PM; and evaluate the literature and plausibility through which exercise behavior may influence PM. Regarding the latter, this paper aims to burgeon the development of a new research paradigm that will play a critical role in patient health, given that memory function, and in particular, the prospective (vs. retrospective) component of memory, is highly sensitive to aging and is critically associated with health status. This is an emerging line of research that has critical implications for patient health.
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Affiliation(s)
- Paul D Loprinzi
- Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS, USA
| | - Meghan K Edwards
- Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS, USA
| | - Emily Frith
- Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS, USA
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8
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Bruening J, Ludwig VU, Paschke LM, Walter H, Stelzel C. Motivational effects on the processing of delayed intentions in the anterior prefrontal cortex. Neuroimage 2018; 172:517-526. [PMID: 29409998 DOI: 10.1016/j.neuroimage.2018.01.083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 11/22/2017] [Accepted: 01/30/2018] [Indexed: 11/29/2022] Open
Abstract
Delaying intentions bears the risk of interference from distracting activities during the delay interval. Motivation can increase intention retrieval success but little is known about the underlying brain mechanisms. Here, we investigated whether motivational incentives (monetary reward) modulate the processing of delayed intentions in the anterior prefrontal cortex (aPFC), known to be crucial for intention processing. Using a mixed blocked and event-related functional Magnetic Resonance Imaging design, we specifically tested whether reward affects intention processing in the aPFC in a transient or in a sustained manner and whether this is related to individual differences in retrieval success. We found a generalized effect of reward on both correct intention retrieval and ongoing task performance. Fronto-parietal regions including bilateral lateral aPFC showed sustained activity increases in rewarded compared to non-rewarded blocks as well as transient reward-related activity during the storage phase. Additionally, individual differences in reward-related performance benefits were related to the degree of transient signal increases in right lateral aPFC, specifically during intention encoding. This suggests that the ability to integrate motivational relevance into the encoding of future intentions is crucial for successful intention retrieval in addition to general increases in processing effort. Bilateral aPFC is central to these motivation-cognition interactions.
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Affiliation(s)
- Jovita Bruening
- Department of Psychiatry and Psychotherapy, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany; Work, Engineering and Organizational Psychology Technische Universitaet Berlin, Marchstr. 12, F7, 10587 Berlin, Germany; Department of Psychology, Humboldt Universitaet zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany
| | - Vera U Ludwig
- Department of Psychiatry and Psychotherapy, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany; Berlin School of Mind and Brain, Humboldt Universitaet zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; Department of Psychology, Humboldt Universitaet zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany
| | - Lena M Paschke
- Department of Psychiatry and Psychotherapy, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany; Berlin School of Mind and Brain, Humboldt Universitaet zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; Department of Psychology, Humboldt Universitaet zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany
| | - Henrik Walter
- Department of Psychiatry and Psychotherapy, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany; Berlin School of Mind and Brain, Humboldt Universitaet zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; Berlin Center for Advanced Neuroimaging, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Christine Stelzel
- Department of Psychiatry and Psychotherapy, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany; Berlin School of Mind and Brain, Humboldt Universitaet zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; Department of Psychology, Humboldt Universitaet zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany; Berlin Center for Advanced Neuroimaging, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany; International Psychoanalytic University, Stromstr. 1, 10555 Berlin, Germany.
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9
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Hostler TJ, Wood C, Armitage CJ. The influence of emotional cues on prospective memory: a systematic review with meta-analyses. Cogn Emot 2018; 32:1578-1596. [PMID: 29318922 DOI: 10.1080/02699931.2017.1423280] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Remembering to perform a behaviour in the future, prospective memory, is essential to ensuring that people fulfil their intentions. Prospective memory involves committing to memory a cue to action (encoding), and later recognising and acting upon the cue in the environment (retrieval). Prospective memory performance is believed to be influenced by the emotionality of the cues, however the literature is fragmented and inconsistent. We conducted a systematic search to synthesise research on the influence of emotion on prospective memory. Sixty-seven effect sizes were extracted from 17 articles and hypothesised effects tested using three meta-analyses. Overall, prospective memory was enhanced when positively-valenced rather than neutral cues were presented (d = 0.32). In contrast, negatively-valenced cues did not enhance prospective memory overall (d = 0.07), but this effect was moderated by the timing of the emotional manipulation. Prospective memory performance was improved when negatively-valenced cues were presented during both encoding and retrieval (d = 0.40), but undermined when presented only during encoding (d = -0.25). Moderating effects were also found for cue-focality and whether studies controlled for the arousal level of the cues. The principal finding is that positively-valenced cues improve prospective memory performance and that timing of the manipulation can moderate emotional effects on prospective memory. We offer a new agenda for future empirical work and theorising in this area.
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Affiliation(s)
- Thomas J Hostler
- a Department of Psychology , Manchester Metropolitan University , Manchester , UK
| | - Chantelle Wood
- b Department of Psychology , University of Sheffield , Sheffield , UK
| | - Christopher J Armitage
- c Manchester Centre for Health Psychology and NIHR Manchester Biomedical Research Centre , University of Manchester , Manchester , UK
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10
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Peng K, Steele SC, Becerra L, Borsook D. Brodmann area 10: Collating, integrating and high level processing of nociception and pain. Prog Neurobiol 2017; 161:1-22. [PMID: 29199137 DOI: 10.1016/j.pneurobio.2017.11.004] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 11/16/2017] [Accepted: 11/28/2017] [Indexed: 02/08/2023]
Abstract
Multiple frontal cortical brain regions have emerged as being important in pain processing, whether it be integrative, sensory, cognitive, or emotional. One such region, Brodmann Area 10 (BA 10), is the largest frontal brain region that has been shown to be involved in a wide variety of functions including risk and decision making, odor evaluation, reward and conflict, pain, and working memory. BA 10, also known as the anterior prefrontal cortex, frontopolar prefrontal cortex or rostral prefrontal cortex, is comprised of at least two cytoarchitectonic sub-regions, medial and lateral. To date, the explicit role of BA 10 in the processing of pain hasn't been fully elucidated. In this paper, we first review the anatomical pathways and functional connectivity of BA 10. Numerous functional imaging studies of experimental or clinical pain have also reported brain activations and/or deactivations in BA 10 in response to painful events. The evidence suggests that BA 10 may play a critical role in the collation, integration and high-level processing of nociception and pain, but also reveals possible functional distinctions between the subregions of BA 10 in this process.
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Affiliation(s)
- Ke Peng
- Center for Pain and the Brain, Harvard Medical School, Boston, MA, United States; Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States; Department of Psychiatry and Radiology, Massachusetts General Hospital, Charlestown, MA, United States.
| | - Sarah C Steele
- Center for Pain and the Brain, Harvard Medical School, Boston, MA, United States; Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States; Department of Psychiatry and Radiology, Massachusetts General Hospital, Charlestown, MA, United States
| | - Lino Becerra
- Center for Pain and the Brain, Harvard Medical School, Boston, MA, United States; Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States; Department of Psychiatry and Radiology, Massachusetts General Hospital, Charlestown, MA, United States; Department of Psychiatry, Mclean Hospital, Belmont, MA, United States
| | - David Borsook
- Center for Pain and the Brain, Harvard Medical School, Boston, MA, United States; Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children's Hospital, Boston, MA, United States; Department of Psychiatry and Radiology, Massachusetts General Hospital, Charlestown, MA, United States; Department of Psychiatry, Mclean Hospital, Belmont, MA, United States
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11
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Effects of cue focality on the neural mechanisms of prospective memory: A meta-analysis of neuroimaging studies. Sci Rep 2016; 6:25983. [PMID: 27185531 PMCID: PMC4868976 DOI: 10.1038/srep25983] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 04/22/2016] [Indexed: 11/17/2022] Open
Abstract
Remembering to execute pre-defined intentions at the appropriate time in the future is typically referred to as Prospective Memory (PM). Studies of PM showed that distinct cognitive processes underlie the execution of delayed intentions depending on whether the cue associated with such intentions is focal to ongoing activity processing or not (i.e., cue focality). The present activation likelihood estimation (ALE) meta-analysis revealed several differences in brain activity as a function of focality of the PM cue. The retrieval of intention is supported mainly by left anterior prefrontal cortex (Brodmann Area, BA 10) in nonfocal tasks, and by cerebellum and ventral parietal regions in focal tasks. Furthermore, the precuneus showed increased activation during the maintenance phase of intentions compared to the retrieval phase in nonfocal tasks, whereas the inferior parietal lobule showed increased activation during the retrieval of intention compared to maintenance phase in the focal tasks. Finally, the retrieval of intention relies more on the activity in anterior cingulate cortex for nonfocal tasks, and on posterior cingulate cortex for focal tasks. Such focality-related pattern of activations suggests that prospective remembering is mediated mainly by top-down and stimulus-independent processes in nonfocal tasks, whereas by more automatic, bottom-up, processes in focal tasks.
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12
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McDaniel MA, Umanath S, Einstein GO, Waldum ER. Dual pathways to prospective remembering. Front Hum Neurosci 2015; 9:392. [PMID: 26236213 PMCID: PMC4500919 DOI: 10.3389/fnhum.2015.00392] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 06/22/2015] [Indexed: 11/13/2022] Open
Abstract
According to the multiprocess framework (McDaniel and Einstein, 2000), the cognitive system can support prospective memory (PM) retrieval through two general pathways. One pathway depends on top–down attentional control processes that maintain activation of the intention and/or monitor the environment for the triggering or target cues that indicate that the intention should be executed. A second pathway depends on (bottom–up) spontaneous retrieval processes, processes that are often triggered by a PM target cue; critically, spontaneous retrieval is assumed not to require monitoring or active maintenance of the intention. Given demand characteristics associated with experimental settings, however, participants are often inclined to monitor, thereby potentially masking discovery of bottom–up spontaneous retrieval processes. In this article, we discuss parameters of laboratory PM paradigms to discourage monitoring and review recent behavioral evidence from such paradigms that implicate spontaneous retrieval in PM. We then re-examine the neuro-imaging evidence from the lens of the multiprocess framework and suggest some critical modifications to existing neuro-cognitive interpretations of the neuro-imaging results. These modifications illuminate possible directions and refinements for further neuro-imaging investigations of PM.
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Neural bases of prospective memory: A meta-analysis and the “Attention to Delayed Intention” (AtoDI) model. Neurosci Biobehav Rev 2015; 52:21-37. [DOI: 10.1016/j.neubiorev.2015.02.007] [Citation(s) in RCA: 118] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 02/09/2015] [Accepted: 02/11/2015] [Indexed: 01/31/2023]
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14
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Seo D, Olman CA, Haut KM, Sinha R, MacDonald AW, Patrick CJ. Neural correlates of preparatory and regulatory control over positive and negative emotion. Soc Cogn Affect Neurosci 2014; 9:494-504. [PMID: 23887812 PMCID: PMC3989138 DOI: 10.1093/scan/nst115] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Revised: 12/13/2012] [Accepted: 07/18/2013] [Indexed: 10/25/2023] Open
Abstract
This study used functional magnetic resonance imaging to investigate brain activation during preparatory and regulatory control while participants (N = 24) were instructed either to simply view or decrease their emotional response to, pleasant, neutral or unpleasant pictures. A main effect of emotional valence on brain activity was found in the right precentral gyrus, with greater activation during positive than negative emotion regulation. A main effect of regulation phase was evident in the bilateral anterior prefrontal cortex (PFC), precuneus, posterior cingulate cortex, right putamen and temporal and occipital lobes, with greater activity in these regions during preparatory than regulatory control. A valence X regulation interaction was evident in regions of ventromedial PFC and anterior cingulate cortex, reflecting greater activation while regulating negative than positive emotion, but only during active emotion regulation (not preparation). Conjunction analyses revealed common brain regions involved in differing types of emotion regulation including selected areas of left lateral PFC, inferior parietal lobe, temporal lobe, right cerebellum and bilateral dorsomedial PFC. The right lateral PFC was additionally activated during the modulation of both positive and negative valence. Findings demonstrate significant modulation of brain activity during both preparation for, and active regulation of positive and negative emotional states.
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Affiliation(s)
- Dongju Seo
- 2 Church Street South, Suite 209, New Haven, CT 06519, USA.
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15
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Gonneaud J, Rauchs G, Groussard M, Landeau B, Mézenge F, de La Sayette V, Eustache F, Desgranges B. How do we process event-based and time-based intentions in the brain? an fMRI study of prospective memory in healthy individuals. Hum Brain Mapp 2013; 35:3066-82. [PMID: 24214215 DOI: 10.1002/hbm.22385] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Revised: 07/05/2013] [Accepted: 07/23/2013] [Indexed: 11/11/2022] Open
Abstract
Prospective memory (PM) refers to the ability to remember to do something in the future, either in response to an event (event-based) or after a certain amount of time has elapsed (time-based). While the distinction between event- and time-based PM is widely acknowledged in the literature, little is known about the processes they share and those they do not. This is particularly true concerning their brain substrates, as almost all neuroimaging studies so far have focused on event-based PM. We proposed a functional magnetic resonance imaging paradigm assessing both event-based and time-based PM to 20 healthy young individuals. Analyses revealed that event- and time-based PM both induced activation in the posterior frontal and parietal cortices, and deactivation in the medial rostral prefrontal cortex. In addition, activation more specific to each condition, which may underlie differences in strategic monitoring, was highlighted. Thus, occipital areas were more activated during event-based PM, probably reflecting target-checking, while a network comprising the dorsolateral prefrontal cortex, the cuneus/precuneus and, to a lesser extent, the inferior parietal lobule, superior temporal gyrus, and the cerebellum, was more activated in time-based PM, which may reflect the involvement of time-estimation processes. These results confirm the allocation of attentional resources to the maintenance of intention for event-based and time-based PM, as well as the engagement of distinct mechanisms reflecting the monitoring strategies specific to each condition.
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Affiliation(s)
- Julie Gonneaud
- INSERM, U1077, Caen, France; Université de Caen Basse-Normandie, UMR-S1077, Caen, France; Ecole Pratique des Hautes Etudes, UMR-S1077, Caen, France; CHU de Caen, U1077, Caen, France
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16
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The right frontopolar cortex is involved in visual-spatial prospective memory. PLoS One 2013; 8:e56039. [PMID: 23418505 PMCID: PMC3572161 DOI: 10.1371/journal.pone.0056039] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 01/04/2013] [Indexed: 11/19/2022] Open
Abstract
The involvement of frontopolar cortex in mediating prospective memory processes has been evidenced by various studies, mainly by means of neuroimaging techniques. Recently, one transcranial magnetic stimulation study documented that transient inhibition of left Brodmann Area (BA) 10 impaired verbal prospective memory. This result raises the issue of whether the BA 10 involvement in prospective memory functioning may be modulated by the physical characteristics of the stimuli used. The present study aimed to investigate the role of the frontopolar cortex in visual-spatial PM by means of the application of inhibitory theta-burst stimulation. Twelve volunteers were evaluated after inhibitory theta-burst stimulation over left BA 10, right BA10 and CZ (control condition). In the prospective memory procedure, sequences of four spatial positions (black squares) each were presented. During the inter-sequence delay, subjects had to reproduce the sequence in the observed order (ongoing task forward) or the reverse order (backward). At the occurrence of a target position, subjects had to press a key on the keyboard (prospective memory score). Recall and recognition of the target positions were also tested. We found that prospective memory accuracy was lower after theta-burst stimulation over right BA10 than CZ (p<0.01), whereas it was comparable in left BA10 and CZ conditions. No significant difference was found among the three conditions on recall and recognition of target positions and on ongoing task performance. Our findings provide a novel strong evidence for a specific involvement of right frontopolar cortex in visual-spatial prospective memory. In the context of previous data providing evidence for left BA 10 involvement in verbal prospective memory, our results also suggest material-specific lateralization of prospective memory processes in BA 10.
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