{"id":45464,"date":"2014-01-15T00:00:00","date_gmt":"2014-01-15T06:00:00","guid":{"rendered":"https:\/\/www.unmc.edu\/newsroom\/2014\/01\/15\/multitasking-has-its-limits\/"},"modified":"2022-08-29T14:41:08","modified_gmt":"2022-08-29T19:41:08","slug":"multitasking-has-its-limits","status":"publish","type":"post","link":"https:\/\/www.unmc.edu\/newsroom\/2014\/01\/15\/multitasking-has-its-limits\/","title":{"rendered":"Multitasking has its limits"},"content":{"rendered":"

\nThere is the old joke about not being able to walk and chew gum at the same time. But there’s something to it, scientifically, said Dawn Venema, Ph.D., assistant professor of physical therapy education. As a clinician, she saw it all the time.<\/p>\n

\nNow she studies it.<\/p>\n

\nWhen she was a physical therapist in the field, she worked with geriatric clientele, and with some, she noticed, “People literally couldn’t walk and talk at the same time.”<\/p>\n

\nThose who were frail, or had dementia, “Their cognitive resources had to be focused on walking,” Dr. Venema said. Or they might fall. They could not afford any distraction from that basic task.<\/p>\n

\nWhen Dr. Venema joined the faculty at UNMC it seemed like a natural line of research.<\/p>\n

\nShe collaborated with Joseph Siu, Ph.D., who was then at the College of Public Health and now her next-door neighbor in PT. He’s also studied dual-task costs — how it affects us when we do two things at once.<\/p>\n

\nLike texting and driving?<\/p>\n

\n“It’s the same thing,” Dr. Venema said. “As much as we like to think we can multitask, the quality of the task suffers as we try to do more than one thing at a time.”<\/p>\n

\nBut even more so among older adults who have dementia: “Their dual-task cost is really great because they don’t have as many cognitive resources to draw on,” Dr. Venema said. And that’s part of why those with dementia move so slowly, and are more prone to falls.<\/p>\n

\nDrs. Venema and Siu did a study, published in the Journal of Geriatric Physical Therapy. They found that older adults doing a walking test were slowed when asked to simultaneously complete a cognitive (counting\/math) task. The results were more dramatic among patients who started off with lower cognitive scores.<\/p>\n

\nBut, interestingly, no one completely shut down, mentally or physically.<\/p>\n

\n“Perhaps we can challenge people with dementia more than we think,” Dr. Venema said.<\/p>\n

\nAnd that led to a second pilot study of physical therapy\/cognitive training among a small group with dementia: those given “easy” cognitive tasks improved on about half of their outcomes; but those in the “hard” cognitive-task group improved on all outcomes and by greater margins.<\/p>\n

\nSo maybe there’s hope.<\/p>\n

\nThey aim to expand to a full study, but they need more enrollees with dementia, whose families would need to give permission. Those spots are understandably tougher to fill.<\/p>\n

\nFor information about the study, call 402-559-6594 and for further information on clinical trials please call the Research Subject Advocate Office at 402-559-6941.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

There is the old joke about not being able to walk and chew gum at the same time. But there’s something to it, scientifically, said Dawn Venema, Ph.D., assistant professor of physical therapy education. As a clinician, she saw it all the time.<\/p>\n

Now she studies it.<\/p>\n","protected":false},"author":112,"featured_media":45465,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-45464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","department-discover"],"yoast_head":"\nMultitasking has its limits<\/title>\n<meta name=\"description\" content=\"There is the old joke about not being able to walk and chew gum at the same time. 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