scholarly journals Modelling Autobiographical Memory Loss across Life Span

2019 ◽  
Vol 33 ◽  
pp. 1368-1375 ◽  
Author(s):  
Di Wang ◽  
Ah-Hwee Tan ◽  
Chunyan Miao ◽  
Ahmed A. Moustafa
Keyword(s):  
Life Span ◽  
Autobiographical Memory ◽  
Recall Performance ◽  
Research Work ◽  
Age Groups ◽  
Memory Loss ◽  
Human Memory ◽  
Long Term Memory ◽  
Model Parameters ◽  
Memory Recall

Neurocomputational modelling of long-term memory is a core topic in computational cognitive neuroscience, which is essential towards self-regulating brain-like AI systems. In this paper, we study how people generally lose their memories and emulate various memory loss phenomena using a neurocomputational autobiographical memory model. Specifically, based on prior neurocognitive and neuropsychology studies, we identify three neural processes, namely overload, decay and inhibition, which lead to memory loss in memory formation, storage and retrieval, respectively. For model validation, we collect a memory dataset comprising more than one thousand life events and emulate the three key memory loss processes with model parameters learnt from memory recall behavioural patterns found in human subjects of different age groups. The emulation results show high correlation with human memory recall performance across their life span, even with another population not being used for learning. To the best of our knowledge, this paper is the first research work on quantitative evaluations of autobiographical memory loss using a neurocomputational model.

Conflict Monitoring Across the Life Span

2014 ◽  
Vol 28 (3) ◽  
pp. 124-135 ◽  
Author(s):  
Daniela Czernochowski
Keyword(s):  
Older Adults ◽  
Life Span ◽  
Age Groups ◽  
Conflict Detection ◽  
Response Conflict ◽  
Conflict Monitoring ◽  
Subsequent Performance ◽  
Additional Control ◽  
Performance Response ◽  
Conflict Detection And Resolution

Errors can play a major role for optimizing subsequent performance: Response conflict associated with (near) errors signals the need to recruit additional control resources to minimize future conflict. However, so far it remains open whether children and older adults also adjust their performance as a function of preceding response conflict. To examine the life span development of conflict detection and resolution, response conflict was elicited during a task-switching paradigm. Electrophysiological correlates of conflict detection for correct and incorrect responses and behavioral indices of post-error adjustments were assessed while participants in four age groups were asked to focus on either speed or accuracy. Despite difficulties in resolving response conflict, the ability to detect response conflict as indexed by the Ne/ERN component was expected to mature early and be preserved in older adults. As predicted, reliable Ne/ERN peaks were detected across age groups. However, only for adults Ne/ERN amplitudes associated with errors were larger compared to Nc/CRN amplitudes for correct trials under accuracy instructions, suggesting an ongoing maturation in the ability to differentiate levels of response conflict. Behavioral interference costs were considerable in both children and older adults. Performance for children and older adults deteriorated rather than improved following errors, in line with intact conflict detection, but impaired conflict resolution. Thus, participants in all age groups were able to detect response conflict, but only young adults successfully avoided subsequent conflict by up-regulating control.

The “How” of Animacy Effects in Episodic Memory

2015 ◽  
Vol 62 (6) ◽  
pp. 371-384 ◽  
Author(s):  
Patrick Bonin ◽  
Margaux Gelin ◽  
Betty Laroche ◽  
Alain Méot ◽  
Aurélia Bugaiska
Keyword(s):  
Memory Load ◽  
Recall Performance ◽  
Memory Task ◽  
Human Memory ◽  
Recall Rate ◽  
Interactive Imagery ◽  
Ultimate Explanation ◽  
Better Than ◽  
Observation Results

Abstract. Animates are better remembered than inanimates. According to the adaptive view of human memory ( Nairne, 2010 ; Nairne & Pandeirada, 2010a , 2010b ), this observation results from the fact that animates are more important for survival than inanimates. This ultimate explanation of animacy effects has to be complemented by proximate explanations. Moreover, animacy currently represents an uncontrolled word characteristic in most cognitive research ( VanArsdall, Nairne, Pandeirada, & Cogdill, 2015 ). In four studies, we therefore investigated the “how” of animacy effects. Study 1 revealed that words denoting animates were recalled better than those referring to inanimates in an intentional memory task. Study 2 revealed that adding a concurrent memory load when processing words for the animacy dimension did not impede the animacy effect on recall rates. Study 3A was an exact replication of Study 2 and Study 3B used a higher concurrent memory load. In these two follow-up studies, animacy effects on recall performance were again not altered by a concurrent memory load. Finally, Study 4 showed that using interactive imagery to encode animate and inanimate words did not alter the recall rate of animate words but did increase the recall of inanimate words. Taken together, the findings suggest that imagery processes contribute to these effects.

The Malleability of Narrative Content and Structure in Autobiographical Memory Recall

2008 ◽  
Author(s):  
Alisha C. Holland ◽  
Maya Tamir ◽  
Elizabeth A. Kensinger
Keyword(s):  
Autobiographical Memory ◽  
Memory Recall

Age and gender differences in socially aversive (“dark”) personality traits

2021 ◽  
pp. 089020702098843
Author(s):  
Johanna Hartung ◽  
Martina Bader ◽  
Morten Moshagen ◽  
Oliver Wilhelm
Keyword(s):  
Personality Traits ◽  
Structural Equation ◽  
Age Groups ◽  
Dark Triad ◽  
Equation Modeling ◽  
Model Parameters ◽  
Age And Gender ◽  
Measurement Models ◽  
And Gender ◽  
Latent Means

The strong overlap of personality traits discussed under the label of “dark personality” (e.g., psychopathy, spitefulness, moral disengagement) endorses a common framework for socially aversive traits over and beyond the dark triad. Despite the rapidly growing research on socially aversive traits, there is a lack of studies addressing age-associated differences in these traits. In the present study ( N = 12,501), we investigated the structure of the D Factor of Personality across age and gender using local structural equation modeling, thereby expressing the model parameters as a quasi-continuous, nonparametric function of age. Specifically, we evaluated loadings, reliabilities, factor (co-)variances, and means across 35 locally weighted age groups (from 20 to 54 years), separately for females and males. Results indicated that measurement models were highly stable, thereby supporting the conceptualization of the D factor independent of age and gender. Men exhibited uniformly higher latent means than females and all latent means decreased with increasing age. Overall, D and its themes were invariant across age and gender. Therefore, future studies can meaningfully pursue causes of mean differences across age and between genders.

scholarly journals Music Interventions for Older Adults in Clinical Trials and Research Studies Across Cultures and Settings

2020 ◽  
Vol 4 (Supplement_1) ◽  
pp. 930-930
Author(s):  
Tara Rose ◽  
Elyse Manzo ◽  
Katherine Erickson ◽  
Joshua Valenzuela
Keyword(s):  
Older Adults ◽  
Best Practices ◽  
Music Therapy ◽  
Psychological Symptoms ◽  
Treatment Options ◽  
Age Groups ◽  
Memory Loss ◽  
Music Intervention ◽  
Eligibility Criteria ◽  
The U.S

Abstract Music interventions and music therapy have become more common globally as nonpharmacological treatment options for memory loss, pain management, reduction of behavioral and psychological symptoms, and increased quality of life. Knowledge of multiethnic interventions is important when creating evidence-based programs within culturally diverse countries, such as the U.S. The purpose of this systematic review is to analyze music interventions for older adults across the globe to better understand emerging best practices. A review of all trials registered at clinicaltrials.gov and registries in the WHO Registry Network containing the key words “music therapy” were included, regardless of intervention type. Of the 627 studies generated, 449 met the eligibility criteria, with 11% enrolling only older adults and 89% enrolling older adults along with other age groups. Studies were conducted in 6 continents, 48 countries (23% in the U.S.), and in 23 languages. Music interventions for specific medical conditions (64%) or medical procedures (24%) were the primary foci in studies. While studies crossed multiple continents, less than 2% referenced ethnicity or culture in the study details. Detailed data on intervention types, demographics, measures, settings, and methodology will be presented. Results suggest that best practices in music therapy are being developed world-wide for the multitude of health challenges faced by older adults and demonstrate the diversity of music interventions in both medical and community settings. Information from this review can be used to improve the implementation of music intervention programs and may be particularly beneficial in countries with diverse multicultural populations.

scholarly journals The Use of GIS Technology to Optimize COVID-19 Vaccine Distribution: A Case Study of the City of Warsaw, Poland

2021 ◽  
Vol 18 (11) ◽  
pp. 5636
Author(s):  
Sylwia Krzysztofowicz ◽  
Katarzyna Osińska-Skotak
Keyword(s):  
Herd Immunity ◽  
Research Work ◽  
Age Groups ◽  
Group Living ◽  
Population Group ◽  
Gis Technology ◽  
Vaccination Site ◽  
Global Challenge ◽  
Vaccine Distribution ◽  
The City

The COVID-19 pandemic is a global challenge, and the key to tackling it is vaccinating a specified percentage of the population to acquire herd immunity. The observed problems with the efficiency of the vaccination campaigns in numerous countries around the world, as well as the approach used at the initial stage of the National Immunization Program in Poland, prompted us to analyse the possibility of using GIS technology to optimize the distribution of vaccines to vaccination sites so as to minimize the period needed to vaccinate individual population groups. The research work was carried out on the example of Warsaw, the capital of Poland and the city with the largest population in the country. The analyses were carried out for the 60–70 and 50–60 age groups, in various approaches and for vaccines of different companies (Moderna, BioNTech, AstraZeneca), used to vaccinate people in Poland. The proposed approach to optimize vaccine distribution uses Thiessen’s tessellation to obtain information on the number of people in a given population group living in the area of each vaccination site, and then to estimate the time needed to vaccinate that group. Compared to the originally used vaccination scenario with limited availability of vaccines, the proposed approach allows practitioners to design fast and efficient distribution scenarios. With the developed methodology, we demonstrated ways to achieve uniform vaccination coverage throughout the city. We anticipate that the proposed approach can be easily automated and broadly applied to various urban settings.

Memory Loss with Age: Acquisition and Retrieval

1967 ◽  
Vol 20 (1) ◽  
pp. 223-226 ◽  
Author(s):  
David Schonfield
Keyword(s):  
Age Groups ◽  
Memory Loss ◽  
Older Age ◽  
Methodological Problems

Methodological problems arise when attempting to balance differences between age groups in acquisition, so that differences in remembering can be assessed. Higher recognition than recall scores in older age groups are unlikely to be due to partial input images when meaningful words are employed and therefore support the hypothesis of special retrieval difficulties.

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