The relation between prospective memory and working memory: Evidence from event-related potential data

PsyCh Journal ◽  
2013 ◽  
Vol 2 (2) ◽  
pp. 113-121 ◽  
Author(s):  
Ya Wang ◽  
Xiao-yan Cao ◽  
Ji-fang Cui ◽  
David H. K. Shum ◽  
Raymond C. K. Chan
Keyword(s):  
Working Memory ◽  
Prospective Memory ◽  
Event Related Potential

Interactions Between Prospective Memory and Working Memory Loads?

2007 ◽  
Author(s):  
Marcella Ferrari ◽  
Silvia Zocchi ◽  
Demis Basso ◽  
Paola Palladino
Keyword(s):  
Working Memory ◽  
Prospective Memory

scholarly journals Effects of multi-domain cognitive training on working memory retrieval in older adults: behavioral and ERP evidence from a Chinese community study

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Xiangfei Hong ◽  
You Chen ◽  
Jijun Wang ◽  
Yuan Shen ◽  
Qingwei Li ◽  
...  
Keyword(s):  
Older Adults ◽  
Working Memory ◽  
Training Program ◽  
Cognitive Training ◽  
Local Community ◽  
Training Group ◽  
Event Related Potential ◽  
Control Group ◽  
Baseline Session

AbstractWorking memory (WM) is a fundamental cognitive function that typically declines with age. Previous studies have shown that targeted WM training has the potential to improve WM performance in older adults. In the present study, we investigated whether a multi-domain cognitive training program that was not designed to specifically target WM could improve the behavioral performance and affect the neural activity during WM retrieval in healthy older adults. We assigned healthy older participants (70–78 years old) from a local community into a training group who completed a 3-month multi-domain cognitive training and a control group who only attended health education lectures during the same period. Behavioral and electroencephalography (EEG) data were recorded from participants while performing an untrained delayed match or non-match to category task and a control task at a pre-training baseline session and a post-training follow-up session. Behaviorally, we found that participants in the training group showed a trend toward greater WM performance gains than participants in the control group. Event-related potential (ERP) results suggest that the task-related modulation of P3 during WM retrieval was significantly enhanced at the follow-up session compared with the baseline session, and importantly, this enhancement of P3 modulation was only significant in the training group. Furthermore, no training-related effects were observed for the P2 or N2 component during WM retrieval. These results suggest that the multi-domain cognitive training program that was not designed to specifically target WM is a promising approach to improve WM performance in older adults, and that training-related gains in performance are likely mediated by an enhanced modulation of P3 which might reflect the process of WM updating.

scholarly journals Individual Differences in Prospective Memory Offloading in Laboratory and Naturalistic Settings

2021 ◽  
Author(s):  
Hunter Ball ◽  
Philip Peper ◽  
Durna Alakbarova ◽  
Sam Gilbert ◽  
Gene Arnold Brewer
Keyword(s):  
Working Memory ◽  
Individual Differences ◽  
Cognitive Ability ◽  
Prospective Memory ◽  
High Ability ◽  
Memory Ability ◽  
Multiple Measures ◽  
Good Working

The current study examined whether offloading prospective memory (PM) demands onto the environment through the use of reminders eliminates PM differences typically seen between individuals that have poor or good working memory ability. Over two laboratory sessions scheduled one week apart, participants completed three versions of a PM offloading task with and without the use of reminders, along with multiple measures of working memory. Participants also generated a list of naturalistic intentions to fulfill between sessions and were given an intention to email the experimenter every day. They later indicated which intentions were completed with and without the use of reminders. Consistent with prior research, high working memory participants did better in both laboratory and naturalistic settings when having to rely on their own memory. Critically, however, working memory ability was no longer predictive of performance with the use of reminders. Participants with lower working memory also offloaded more often that high ability participants, but this was not optimally calibrated to actual PM performance. These findings suggest that offloading may be particularly beneficial for those with poor cognitive ability. The theoretical and applied ramifications of these findings are discussed.

Input to Verbal Working Memory

2004 ◽  
Vol 51 (4) ◽  
pp. 231-239 ◽  
Author(s):  
Thomas Jacobsen ◽  
Erich Schröger
Keyword(s):  
Working Memory ◽  
Speech Sound ◽  
Verbal Working Memory ◽  
Relevant Information ◽  
Event Related Potential ◽  
Long Term Memory ◽  
Auditory Sensory Memory ◽  
Complex Tones ◽  
Informational Basis

Abstract. Working memory uses central sound representations as an informational basis. The central sound representation is the temporally and feature-integrated mental representation that corresponds to phenomenal perception. It is used in (higher-order) mental operations and stored in long-term memory. In the bottom-up processing path, the central sound representation can be probed at the level of auditory sensory memory with the mismatch negativity (MMN) of the event-related potential. The present paper reviews a newly developed MMN paradigm to tap into the processing of speech sound representations. Preattentive vowel categorization based on F1-F2 formant information occurs in speech sounds and complex tones even under conditions of high variability of the auditory input. However, an additional experiment demonstrated the limits of the preattentive categorization of language-relevant information. It tested whether the system categorizes complex tones containing the F1 and F2 formant components of the vowel /a/ differently than six sounds with nonlanguage-like F1-F2 combinations. From the absence of an MMN in this experiment, it is concluded that no adequate vowel representation was constructed. This shows limitations of the capability of preattentive vowel categorization.

scholarly journals Acute Exposure to the Cold Pressor Stress Impairs Working Memory Functions: An Electrophysiological Study

2020 ◽  
Vol 11 ◽  
Author(s):  
Zengyou Xin ◽  
Simeng Gu ◽  
Lei Yi ◽  
Hong Li ◽  
Fushun Wang
Keyword(s):  
Blood Pressure ◽  
Working Memory ◽  
Acute Stress ◽  
Cold Pressor ◽  
Treatment Session ◽  
Event Related Potential ◽  
Warm Water ◽  
Control Treatment ◽  
Information Encoding ◽  
Lower Accuracy

The results of previous literature focusing on the effects of acute stress on human working memory (WM) are equivocal. The present study explored the effects of acute stress on human WM processing using event-related potential (ERP) techniques. Twenty-four healthy participants were submitted to stressful treatments and control treatment at different times. Cold pressor stress (CPS) was used as stressful treatment, while warm water was used as the control treatment before the WM task. Exposure to CPS was associated with a significant increase in blood pressure and salivary cortisol. After the 3-min resting period, systolic blood pressure (SBP) and diastolic blood pressure (DBP) for the CPS session significantly increased relative to the control treatment session (all p ≤ 0.01), and data also showed a significant increase of 20-min post-treatment cortisol concentration (p < 0.001) for CPS. Data from the CPS session showed significantly longer reaction times, lower accuracy, and WM capacity scores than that of the control treatment session. Interestingly, a difference between the two sessions was also found in N2pc and the late contralateral delay activity (late CDA) components. Specifically, although non-significant main effects of treatment were found for N2pc amplitudes, there was a significant interaction between treatments and stimuli conditions (processing load) [F(2,46) = 3.872, p = 0.028, η2 p = 0.14], which showed a pronounced trend toward equalization of N2pc amplitude across stimuli conditions during the CPS session clearly different from that of control treatment. As for amplitudes for late CDA, a nearly significant main effect of Treatment was found (p = 0.069). That is, the mean amplitude of the late CDA (−2.56 ± 0.27) for CPS treatment was slightly larger than that (−2.27 ± 0.22) for warm water treatment. To summarize, this study not only reported performance impairments in the WM task during CPS trials but also provided high temporal resolution evidence for the detrimental effects of acute stress on processes of information encoding and maintenance.

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