22,992 research outputs found
Evidence for a shift from true place navigation to directional responding in one variant of the morris water task.
No full textPrevious work from our laboratory has demonstrated that rats display a preference for directional responding over place navigation in a wide range of procedural variants of the Morris water task. A preference for place navigation has only been observed when the pool is reduced as a cue by filling it with water. Studies using dry-land mazes suggest that rats place navigate early in training and later switch to other forms of responding (e.g., motor). The present study evaluated whether rats switch from place navigation to directional responding in the “full pool” variant of the water task. Rats were given 12, 24, or 36 hidden platform training trials. Probe trials with the pool repositioned in the room revealed a preference for place navigation in rats given 12 trials, an equal division of response preferences in rats given 24 trials, and a preference for directional responding in rats given 36 trials. These results indicate that the early preference for place navigation in the full pool water task is transient and yields to a preference for directional responding with continued training
John Morris letter to Thomas Rotch, Steubenville, January 1, 1822
No full textJohn Morris asks Thomas Rotch if he might employ him in his woolen factory. Morris explains that markets are plentiful for wool on the east coast but wages are low and his family has suffered hardship. He asks that Rotch provide him with firewood, bread, meat and a house if he were to relocate to Kendal. 7.80" X 9.75" (20 by 24.7 cm
Morris Birkbeck letter to Thomas Rotch, Wanborough English Prairie, Illinois, Jan 24 1820
No full textMorris Birkbeck describes his settlement of Friends in Illinois, citing good land and families on lots of five acre farms. Morris responds to Rotch regarding letters from Brad Birkbeck that are resting in Thomas Rotch's Kendal post office. He describes a new settlement as prosperous, 'numbers of the working classes have fixed themselves permanently.' 7.7" x 12.25" (19.5 by 29 cm
Stock
No full textIncludes bibliographical references.The practical component of this research takes the form of a sculptural interpretation of comprises a body of creative work supported by a theoretical discussion. This research is an observation and manifestation of my interest in industrial animal farming practices. I have examined conditions and practices on factory farms, marketing and the consumer, my own traumatic experiences at various factory farms and processing plants, and the ways in which the production of was a means of dealing with this trauma, my experience of the manufacture of animal products. The document selectively identifies aspects of trauma relevant to this project, examples of art in a historical context with particular reference to Minimalism, and the capacity for minimal form to express trauma in the broader social context. This is followed by an analysis of my own work
Luibov Popova Untitled Textile Design on William Morris Wallpaper for Historical Materialism
No full textThe artist David Mabb has created an artwork especially for Historical Materialism. Titled: Luibov Popova Untitled Textile Design on William Morris wallpaper for Historical Materialism, the print is issued in a run of 100. Mabb’s picture is made by screen printing a textile design by Luibov Popova in red and black over a section of William Morris wallpapers including: Fruit, Willow Boughs, Trellis, Brier Rabbit, Medway and Daisy. As a consequence of the different wallpapers employed and the registration process each work will be unique. The prints measures 52.5 x 70 cm., and each one is signed and numbered by the artist
John Morris Letter to Thomas Rotch Regarding Employment
No full textJohn Morris of Steubenville wrote this letter to Thomas Rotch inquiring about conditions for employees in Rotch's woolen factory. The letter explains that although markets for wool are to be found in the Atlantic states, wages have been so reduced as to cause great hardship for the families of workmen. Morris asks if his family would be provided with basic amenities including bread, meat, firewood, and a house if he moved to Kendal (now Massillon) to work for Thomas Rotch. The letter is two pages long and measures 8" x 10" (20.32 x 25.4 cm). Thomas Rotch (1767-1823), a Quaker and early settler of Kendal, was active in the abolition movement and conducted slaves to freedom on the Underground Railroad. He also served as a correspondent for the Committee on Indian Concerns. The Rotch-Wales Collection comprises several thousand items, including Quaker and abolitionist materials, household remedies and recipes, weather reports and machinery plans, and personal letters of Thomas and Charity Rotch and their family. It contains personal and business correspondence, diaries, documents, accounts, ledgers, and daybooks. A large portion of the collection consists of the personal and business correspondence, documents, and business papers of Arvine Wales I (1785-1854), who accompanied Rotch from Hartford to Ohio in 1811, worked for him, and carried on Rotch's business interests after his death. The papers of his son, Arvine C. Wales (1827-1882), a lawyer and civic leader in Massillon, are also part of the collection
Carl Morris - Slide CM-1
No full text3/60, view of exhibit from 2nd floor of PAM; Several slides have owner of painting on binder. Mostly Anscochrome film, no dates on binder, some are Kodak. ; Solo exhibit at Portland Art Museum, 1960
Carl Morris - Slide CM-3
No full textWork created 1959; Several slides have owner of painting on binder. Mostly Anscochrome film, no dates on binder, some are Kodak. ; Solo exhibit at Portland Art Museum, 1960
Control of rodent and human spatial navigation by room and apparatus cues
No full textA growing body of literature indicates that rats prefer to navigate in the direction of a goal in the environment (directional responding) rather than to the precise location of the goal (place navigation). This paper provides a brief review of this literature with an emphasis on recent findings in the Morris water task. Four experiments designed to extend this work to humans in a computerized, virtual Morris water task are also described. Special emphasis is devoted to how directional responding and place navigation are influenced by room and apparatus cues, and how these cues control distinct components of navigation to a goal.Experiments 1 and 2 demonstrate that humans, like rats, perform directional responses when cues from the apparatus are present, while Experiment 3 demonstrates that place navigation predominates when apparatus cues are eliminated. In Experiment 4, an eyetracking system measured gaze location in the virtual environment dynamically as participants navigated from a start point to the goal.Participants primarily looked at room cues during the early segment of each trial, but primarily focused on the apparatus as the trial progressed, suggesting distinct, sequential stimulus functions. Implications for computational modeling of navigation in the Morris water task and related tasks are discussed
- …
