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result(s) for
"cognitive performance"
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Training cognition : optimizing efficiency, durability, and generalizability
\"This book describes research on training using cognitive psychology to build a complete empirical and theoretical picture of the training process. It includes a review of relevant cognitive psychological literature, a summary of recent laboratory experiments, a presentation of original theoretical ideas, and a discussion of possible applications to real-world training settings\"--Provided by publisher.
Dual task performance in adults with type 2 diabetes mellitus: A systematic review with meta‐analysis
by
Sepúlveda‐Loyola, Walter
,
Sandoval‐Obando, Eduardo
,
Barros‐Osorio, Cristián
in
Adult
,
Cognition
,
Cross-sectional studies
2026
Background Daily activities require the simultaneous execution of cognitive and motor tasks. Type 2 diabetes mellitus (T2DM) is associated with functional impairments that may compromise dual‐task performance, leading to increased dual‐task interference. Objective To compare dual‐task performance and dual‐task interference between individuals with T2DM and healthy control subjects. Methods This study followed the reporting recommendations of the PRISMA statement. The literature search was conducted in PubMed, Scopus, WoS, LILACS, and PEDro databases. We included studies involving individuals diagnosed with T2DM aged over 18 years, assessed using any dual‐task evaluation protocol and compared to healthy control subjects. Methodological quality was independently assessed using the Joanna Briggs Institute checklist and meta‐analyses were performed using JAMOVI software. Results Of the 1,864 articles initially identified, 6 studies met the inclusion criteria, comprising a total of 468 participants. Individuals with T2DM exhibited poorer motor performance during dual‐task evaluations, including reduced gait speed (SMD = −0.74 [95%CI: −1.22 to −0.27], P = 0.002) and longer stride times (SMD = 0.34 [95%CI: 0.03 to 0.65], P = 0.039). Additionally, they demonstrated greater dual‐task interference in both motor (SMD = −0.67 [95%CI: −1.16 to −0.19], P = 0.006) and cognitive tasks (SMD = −0.33 [95%CI: −0.66 to −0.03], P = 0.033) compared to healthy control subjects. Conclusion Individuals with T2DM exhibit poorer dual‐task performance and greater dual‐task interference. These findings highlight the importance of including DT assessments in the clinical evaluation of individuals with T2DM. However, due to the limited number of studies, further research is warranted.
Journal Article
The first rule of mastery : stop worrying about what people think of you
by
Gervais, Michael (Psychologist), author
,
Lake, Kevin, author
in
Success Psychological aspects.
,
Performance Psychological aspects.
,
Cognitive psychology.
2024
\"With the proliferation of social media, the intense pressure to succeed, and our overreliance on external rewards, metrics, and validation, FOPO is running rampant. Our concern with what other people think about us has become an irrational, unproductive, and unhealthy obsession in the modern world. And its negative effects reach into all aspects of our lives. In The First Rule of Mastery, Michael Gervais shows us the key to leading a high-performance life is to redirect our attention from the world outside us to the world inside us. As one of the world's leading experts on the relationship between the mind and human performance, Gervais takes an in-depth look at the noxious effects of FOPO while laying out the mental skills and practices we need to achieve personal excellence-the same skills he's taught to the top performers in the world including sports MVPs and Fortune 100 leaders and teams. Filled with fascinating stories from the worlds of sports and business, leading-edge science, and insights from the popular Finding Mastery podcast, The First Rule of Mastery is a much-needed wake-up call that when we give more value to other people's opinions than our own, we live life on their terms, not ours\"-- Provided by publisher.
Cognitive Performance changes during a 20-day Winter Military Training Course and the Following 10-day Recovery Period
by
Ojanen, Tommi
,
Kallinen, Kari
in
Adolescent
,
Adult
,
Arctic Military Conference in Cold Weather Medicine
2023
Introduction: The purpose of the present study was to investigate the effects of a winter military field training course consisting of strenuous physical stressors (e.g. physical activity, sleep deprivation and cold weather) on cognitive performance among Finnish soldiers.
Methods: Fifty-eight (age 19 ± 1 years, height 182 ± 6 cm, body mass 78.5 ± 7.2 kg) male soldiers took part in a 20-day military field training course in northern Finland. Cognitive performance was assessed before, during, and after the course four times on a tablet computer. Sustained Attention to Response Task (SART) was used to assess soldier's executive and inhibitory function. Baddeley's 3-min reasoning task (BRT) was used to assess grammatical reasoning, and Change Blindness (CB) task was used to assess visual perception.
Results: Strenuous winter field training had detrimental effects in all performance tests compared to baseline. SART response rate decreased 27.3% (p < 0.001), and BRT and CB task scores decreased 20.6% (p < 0.01) and 14.1% (p < .05), respectively.
Conclusion: The present study showed a decline in soldier's cognitive performance after 20-days of physically demanding winter military field training. To be able to optimise field training, it is important to be aware of how cognitive performance changes during military exercises and missions.
Journal Article
Exploiting moderate hypoxia to benefit patients with brain disease: Molecular mechanisms and translational research in progress
by
Ehrenreich, Hannelore
,
Miskowiak, Kamilla
,
Poustka, Luise
in
Adaptation
,
Altitude
,
Alzheimer's disease
2023
Hypoxia is increasingly recognized as an important physiological driving force. A specific transcriptional program, induced by a decrease in oxygen (O2) availability, for example, inspiratory hypoxia at high altitude, allows cells to adapt to lower O2 and limited energy metabolism. This transcriptional program is partly controlled by and partly independent of hypoxia‐inducible factors. Remarkably, this same transcriptional program is stimulated in the brain by extensive motor‐cognitive exercise, leading to a relative decrease in O2 supply, compared to the acutely augmented O2 requirement. We have coined the term “functional hypoxia” for this important demand‐responsive, relative reduction in O2 availability. Functional hypoxia seems to be critical for enduring adaptation to higher physiological challenge that includes substantial “brain hardware upgrade,” underlying advanced performance. Hypoxia‐induced erythropoietin expression in the brain likely plays a decisive role in these processes, which can be imitated by recombinant human erythropoietin treatment. This article review presents hints of how inspiratory O2 manipulations can potentially contribute to enhanced brain function. It thereby provides the ground for exploiting moderate inspiratory plus functional hypoxia to treat individuals with brain disease. Finally, it sketches a planned multistep pilot study in healthy volunteers and first patients, about to start, aiming at improved performance upon motor‐cognitive training under inspiratory hypoxia. This article review presents hints of how inspiratory O2 manipulations can potentially contribute to enhanced brain function. It thereby provides the ground for exploiting moderate inspiratory plus functional hypoxia to treat individuals with brain disease. Finally, it sketches a planned multistep pilot study in healthy volunteers and first patients, about to start, aiming at improved performance upon motor‐cognitive training under inspiratory hypoxia. Highlights This review focuses on the brain and sketches hypoxia as a physiological driving force, inducing specific transcriptional programs. Moderate inspiratory hypoxia may improve brain function and performance. Our concept of “functional hypoxia” is introduced as a demand‐responsive mediator of “brain hardware upgrade” on extensive motor‐cognitive exercise. Hypoxia‐induced erythropoietin (EPO) expression in the brain plays a decisive role in these processes, constituting what we coined the “brain EPO circle.” The brain EPO circle underlies the adaptation to challenge, that is, enhanced brain function including cognition and accomplishment on demand: “Brain doping.” Recombinant human EPO imitates the effects of brain‐expressed EPO, explaining the strong neuroprotective and procognitive impact of this treatment. A pilot study in healthy volunteers and first patients is outlined, exploiting moderate inspiratory plus functional hypoxia in humans for improving cognition.
Journal Article
Food for thought: the role of dietary flavonoids in enhancing human memory, learning and neuro-cognitive performance
by
Spencer, Jeremy P. E.
in
Alzheimer's disease
,
bioactive properties
,
Biological and medical sciences
2008
Emerging evidence suggests that dietary-derived flavonoids have the potential to improve human memory and neuro-cognitive performance via their ability to protect vulnerable neurons, enhance existing neuronal function and stimulate neuronal regeneration. Long-term potentiation (LTP) is widely considered to be one of the major mechanisms underlying memory acquisition, consolidation and storage in the brain and is known to be controlled at the molecular level by the activation of a number of neuronal signalling pathways. These pathways include the phosphatidylinositol-3 kinase/protein kinase B/Akt (Akt), protein kinase C, protein kinase A, Ca–calmodulin kinase and mitogen-activated protein kinase pathways. Growing evidence suggests that flavonoids exert effects on LTP, and consequently memory and cognitive performance, through their interactions with these signalling pathways. Of particular interest is the ability of flavonoids to activate the extracellular signal-regulated kinase and the Akt signalling pathways leading to the activation of the cAMP-response element-binding protein, a transcription factor responsible for increasing the expression of a number of neurotrophins important in LTP and long-term memory. One such neurotrophin is brain-derived neurotrophic factor, which is known to be crucial in controlling synapse growth, in promoting an increase in dendritic spine density and in enhancing synaptic receptor density. The present review explores the potential of flavonoids and their metabolite forms to promote memory and learning through their interactions with neuronal signalling pathways pivotal in controlling LTP and memory in human subjects.
Journal Article
Electroconvulsive therapy hasn’t negative effects on short-term memory function, as assessed using a bedside hand-held device
by
Grosse-Holz, Simon
,
Grömer, Teja W.
,
Röther, Mareike
in
ECT, cognitive impairment, cognitive performance
2017
Electroconvulsive therapy (ECT) is effective in the treatment of treatment-resistant major depression. The fear of cognitive impairment after ECT often deters patients from choosing this treatment option. There is little reliable information regarding the effects of ECT on overall cognitive performance, while short-term memory deficits are well known but not easy to measure within clinical routines. In this pilot study, we examined ECT recipients’ pre- and posttreatment performances on a digital ascending number tapping test. We found that cognitive performance measures exhibited good reproducibility in individual patients and that ECT did not significantly alter cognitive performance up to 2 hours after this therapy was applied. Our results can help patients and physicians make decisions regarding the administration of ECT. Digital measurements are recommended, especially when screening for the most common side effects on cognitive performance and short-term memory.
Journal Article
Moderators of noise-induced cognitive change in healthy adults
by
Wright, Bernice
,
Kumari, Veena
,
Ettinger, Ulrich
in
Adult
,
Age Factors
,
Attention - physiology
2016
Environmental noise causes cognitive impairment, particularly in executive function and episodic memory domains, in healthy populations. However, the possible moderating influences on this relationship are less clear. This study assessed 54 healthy participants (24 men) on a cognitive battery (measuring psychomotor speed, attention, executive function, working memory, and verbal learning and memory) under three (quiet, urban, and social) noise conditions. IQ, subjective noise sensitivity, sleep, personality, paranoia, depression, anxiety, stress, and schizotypy were assessed on a single occasion. We found significantly slower psychomotor speed (urban), reduced working memory and episodic memory (urban and social), and more cautious decision-making (executive function, urban) under noise conditions. There was no effect of sex. Variance in urban noise-induced changes in psychomotor speed, attention, Trail Making B-A (executive function), and immediate recall and social noise-induced changes in verbal fluency (executive function) and immediate recall were explained by a combination of baseline cognition and paranoia, noise sensitivity, sleep, or cognitive disorganization. Higher baseline cognition (but not IQ) predicted greater impairment under urban and social noise for most cognitive variables. Paranoia predicted psychomotor speed, attention, and executive function impairment. Subjective noise sensitivity predicted executive function and memory impairment. Poor sleep quality predicted less memory impairment. Finally, lower levels of cognitive disorganization predicted slower psychomotor speed and greater memory impairment. The identified moderators should be considered in studies aiming to reduce the detrimental effects of occupational and residential noise. These results highlight the importance of studying noise effects in clinical populations characterized by high levels of the paranoia, sleep disturbances, noise sensitivity, and cognitive disorganization.
Journal Article
Superhuman artificial intelligence can improve human decision-making by increasing novelty
by
Shin, Minkyu
,
Griffiths, Thomas L.
,
Kim, Jin
in
Artificial Intelligence
,
Decision analysis
,
Decision Making
2023
How will superhuman artificial intelligence (AI) affect human decision-making? And what will be the mechanisms behind this effect? We address these questions in a domain where AI already exceeds human performance, analyzing more than 5.8 million move decisions made by professional Go players over the past 71 y (1950 to 2021). To address the first question, we use a superhuman AI program to estimate the quality of human decisions across time, generating 58 billion counterfactual game patterns and comparing the win rates of actual human decisions with those of counterfactual AI decisions. We find that humans began to make significantly better decisions following the advent of superhuman AI. We then examine human players’ strategies across time and find that novel decisions (i.e., previously unobserved moves) occurred more frequently and became associated with higher decision quality after the advent of superhuman AI. Our findings suggest that the development of superhuman AI programs may have prompted human players to break away from traditional strategies and induced them to explore novel moves, which in turn may have improved their decision-making.
Journal Article