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Increasing engagement in a home for the elderly by providing an indoor gardening activity

✍ Scribed by Liz Powell; David Felce; Judith Jenkins; Barry Lunt

Book ID: 115753039
Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 788 KB
Volume: 17
Category: Article
ISSN: 0005-7967
DOI: 10.1016/0005-7967(79)90021-4

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📜 SIMILAR VOLUMES

Theta bandwidth determines human visual

Theta bandwidth determines human visual working memory capacity Human visual short term memory (VSTM) is capacity limited1. The neurophysiological basis for this limitation is, however, currently unknown. Here we apply the principle of efficient information transfer, derived from communications theory, to provide a mechanistic account of VSTM capacity. Shannon's information theory states that to increase the capacity of information encoded along a frequency axis, it is more efficient to expand the bandwidth than to increase the transmitted power for a given level of noise2. By applying Shannon's principles to human magnetoencephalography (MEG) recordings of oscillatory activity in the theta band during a VSTM task, we demonstrate that increasing memory load to capacity induces a parametric shift in theta frequency band during the delay period, from 4 to 8 Hz, in a right fronto-parietal network. Critically, we show that an individual's VSTM capacity is proportional to that parametric shift. Thus, the adherence of cortical neuronal oscillations to a fundamental principle of efficient information transfer appears to underlie the limited nature of visual representation in short-term memory.

✍ Moran, R.J.; Strange, B.A.; Campo, P.; Dolan, R.J. 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 142 KB

Fiftieth Annual Report of the American T

Fiftieth Annual Report of the American Tract Society, Presented at Boston, May 25, 1864. With the Addresses Delivered at the Fiftieth Anniversary, and the Proceedings at the Jubilee Breakfast of the Society; Also, a Sketch of the History and Operations of the Society during the Last Half-Century;Thirty-Ninth Annual Report of the American Tract Society, Presented at New York, May 11, 1864;Daily Prayers for the Lord's Hidden Ones;Letters to a Theological Studentby Leverett Griggs;The Medicine Shelf;Jerry and His Friends; Or, the Way to Heavenby Alice A. Dodge;Apples of Gold in Pictures of Silverby J. P. Ballard;Black and White; Or, the Heart, Not the Faceby Jane D. Chaplin;Home Stories for Boys and Girls;Pictures and Lessons for Little Readersby Jane S. Warren;The Curse; Or, the Position in the World's History Occupied by the Race of Hamby Increase N. Tarbox;Hours with the Toiling. A Book for Women;Ancient Egypt: Its Antiquities, Religion, and History, to the Close of the Old Testament Periodby George Trevor;Human Sorrowsby The Countess Agénor de Gasparin; Mary L. Booth;The Life of Mrs. Sherwood;New Stories from an Old Bookby Laurens;Christ the Children's Guideby T. S. Sewell

📂 Article 📅 1865 🏛 University of Northern Iowa 🌐 English ⚖ 645 KB