{"id":10162,"date":"2020-06-29T09:36:52","date_gmt":"2020-06-29T09:36:52","guid":{"rendered":"https:\/\/bgrssb.icgbio.ru\/2020\/2020\/06\/29\/age-related-difference-in-use-dependent-plasticity-after-divergent-thinking-session-matches-posterior-anterior-shift-in-aging-pasa-model\/"},"modified":"2020-06-29T09:36:52","modified_gmt":"2020-06-29T09:36:52","slug":"age-related-difference-in-use-dependent-plasticity-after-divergent-thinking-session-matches-posterior-anterior-shift-in-aging-pasa-model","status":"publish","type":"post","link":"https:\/\/bgrssb.icgbio.ru\/2020\/2020\/06\/29\/age-related-difference-in-use-dependent-plasticity-after-divergent-thinking-session-matches-posterior-anterior-shift-in-aging-pasa-model\/","title":{"rendered":"Age-related difference in use-dependent plasticity after divergent thinking session matches posterior-anterior shift in aging (PASA) model."},"content":{"rendered":"<p>Poster (<a href=\"https:\/\/bgrssb.icgbio.ru\/wp-content\/uploads\/2020\/07\/284.pdf\">download<\/a>)<br \/>\n    <br \/><a href=\"https:\/\/bgrssb.icgbio.ru\/wp-content\/uploads\/2020\/07\/284.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">284<br\/><\/a><br \/>Evgeniya Privodnova<sup>1<\/sup>, Nina Volf<sup>2<\/sup>, Ekaterina Merculova<sup>3<\/sup>, Dariya Bazovkina<sup>4<\/sup><br \/><sup>1<\/sup>Scientific Research Institute of Physiology and Basic Medicine, privodnovaeu@physiol.ru<br \/><sup>2<\/sup>Scientific Research Institute of Physiology and Basic Medicine, volf@physiol.ru<br \/><sup>3<\/sup>Scientific Research Institute of Physiology and Basic Medicine, merkaterine@gmail.com<br \/><sup>4<\/sup>Scientific Research Institute of Physiology and Basic Medicine, daryabazovkina@gmail.com<\/p>\n<p>Repetitive cognitive activity has the potential to improve cognitive functioning through neuroplasticity. Despite evidence for task-specific traces after task performance in young adults, age differences of experience-related neuroplasticity remains understudied. Common patterns of age-related changes in brain activity across a variety of cognitive functions suggest the hemispheric asymmetry reduction in older adults (HAROLD) and the posterior-to-anterior shift in aging (PASA). We can expect that those models appear as age specificity of experience-related neuroplasticity. The aim of the current study was to investigate the age-related specificity in use-dependent changes between pre-training and post-training baseline alpha EEG rhythm measures. 31 younger (Mean age = 21.3) and 30 older adults (Mean age=64.2) underwent a divergent thinking training session with concomitant 52-channel EEG registration. Upper alpha power was calculated via Fourier transform; current source density estimates and statistical nonparametric mapping were calculated via LORETA. Alpha power increased from baseline to post-session interval in the both age groups, indicating use-dependent plasticity. The anterior-posterior gradient (posterior&gt;anterior) of alpha power increases from baseline to post-session interval in the left hemisphere was more pronounced in younger adults, than in older. Use-dependent plasticity has the same pattern of age differences as PASA postulates, that is, decrease in posterior coupled with increase in anterior areas. The results emphasize that PASA model reflects a global age-associated shift in brain function.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Poster (download) Evgeniya Privodnova1, Nina Volf2, Ekaterina Merculova3, Dariya Bazovkina41Scientific Research Institute of Physiology and Basic Medicine, privodnovaeu@physiol.ru2Scientific Research Institute of Physiology and Basic Medicine, volf@physiol.ru3Scientific Research Institute of Physiology and Basic Medicine, merkaterine@gmail.com4Scientific Research Institute of Physiology and Basic Medicine, daryabazovkina@gmail.com Repetitive cognitive activity has the potential to improve cognitive functioning through neuroplasticity. Despite evidence for task-specific traces after task performance in young adults, age differences of experience-related neuroplasticity remains understudied. Common patterns of age-related changes in brain activity across a variety of cognitive functions suggest the hemispheric asymmetry reduction in older adults (HAROLD) and the posterior-to-anterior shift in aging (PASA). We can expect that those models appear as age specificity of experience-related neuroplasticity. The aim of the current study was to investigate the age-related specificity in use-dependent changes between pre-training and post-training baseline alpha EEG rhythm measures. 31 younger (Mean age = 21.3) and 30 older adults (Mean age=64.2) underwent a divergent thinking training session with concomitant 52-channel EEG registration. Upper alpha power was calculated via Fourier transform; current source density estimates and statistical nonparametric mapping were calculated via LORETA. Alpha power increased from baseline to post-session interval in the both age groups, indicating use-dependent plasticity. The anterior-posterior gradient (posterior&gt;anterior) of alpha power increases from baseline to post-session interval in the left hemisphere was more pronounced in younger adults, than in older. Use-dependent plasticity has the same pattern of age differences as PASA postulates, that is, decrease in posterior coupled with increase in anterior areas. The results emphasize that PASA model reflects a global age-associated shift in brain function.<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2172],"tags":[1445,1688,1734,1689,1733],"_links":{"self":[{"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/posts\/10162"}],"collection":[{"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/comments?post=10162"}],"version-history":[{"count":0,"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/posts\/10162\/revisions"}],"wp:attachment":[{"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/media?parent=10162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/categories?post=10162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bgrssb.icgbio.ru\/2020\/wp-json\/wp\/v2\/tags?post=10162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}