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Visual Discrimination In Monocularly Trained Rats Following Unilateral Lesion In The Region Of The Optic Tract
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Book Synopsis Visual Discrimination in Monocularly Trained Rats Following Unilateral Lesion in the Region of the Optic Tract by : Lars Smith
Download or read book Visual Discrimination in Monocularly Trained Rats Following Unilateral Lesion in the Region of the Optic Tract written by Lars Smith and published by . This book was released on 1969 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: To ascertain whether the uncrossed optic nerve fibers of the albino rat can mediate complex visual discriminations, monocular unoperated subjects and monocular subjects operated in the region of the optic tract were tested for retention of a preoperatively learned visual size discrimination, tested on size discrimination threshold, tested for retention of a visual pattern discrimination habit, and then tested for the influence of continuity of pattern. Subjects with lesions in the region of the optic tract did not make poorer scores than unoperated controls. The study remains inconclusive because of failure to resect the optic tract in any of the operated subjects. Conclusive results could have been interpreted in view of Lashley's (1939) study on the functioning of small remnants of the visual cortex. (Author).
Book Synopsis Current Catalog by : National Library of Medicine (U.S.)
Download or read book Current Catalog written by National Library of Medicine (U.S.) and published by . This book was released on 1970 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes subject section, name section, and 1968-1970, technical reports.
Book Synopsis National Library of Medicine Current Catalog by : National Library of Medicine (U.S.)
Download or read book National Library of Medicine Current Catalog written by National Library of Medicine (U.S.) and published by . This book was released on 1970 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1970 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Index written by and published by . This book was released on 1970 with total page 1344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual Discrimination Performance in Rats Following Nucleus Posterior Thalami and Dimesencephalic Juncture Damage by : Billy Michael Thorne
Download or read book Visual Discrimination Performance in Rats Following Nucleus Posterior Thalami and Dimesencephalic Juncture Damage written by Billy Michael Thorne and published by . This book was released on 1969 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CSA Neurosciences Abstracts written by and published by . This book was released on 1986 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monthly, with annual subject and author indexes. Worldwide coverage of journal articles, papers presented, and books focused primarily on basic research in vertebrate and invertebrate neurosciences. Arranged under broad topics, e.g., genetics, sleep, and neurophysiology, as well as miscellaneous topics, book notices, and proceedings. Author, subject indexes.
Book Synopsis Relational Perception and Retention of a Visual Discrimination Remain Undisturbed in Rats Following Regionally Restricted Neocortical Injuries by : Laura Brewster Williams
Download or read book Relational Perception and Retention of a Visual Discrimination Remain Undisturbed in Rats Following Regionally Restricted Neocortical Injuries written by Laura Brewster Williams and published by . This book was released on 1998 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research and Development Reports Index by :
Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1970 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual discrimination following successive unilateral temporal excisions in monkeys by : George Ettlinger
Download or read book Visual discrimination following successive unilateral temporal excisions in monkeys written by George Ettlinger and published by . This book was released on 1958 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1970 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Visual Discrimination Performance in Rats by : Claudia Ka Yan Tsui
Download or read book Visual Discrimination Performance in Rats written by Claudia Ka Yan Tsui and published by . This book was released on 2011 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The notion that learning and memory processes are highly dependent on central cholinergic neurotransmission has been widely accepted. However, studies documenting the importance of Acetylcholine (ACh) in attention have led some to suggest that attention impairments may underlie the deficits in learning and memory resulting from cholinergic disruptions. Using a visual discrimination task, I attempted to discern whether performance impairments by Scopolamine were predominantly due to the importance of muscarinic receptor integrity in attention, or memory consolidation in learning. Rats were trained in a visual discrimination task using a Y-shaped water maze apparatus. To successfully navigate to a hidden platform located in one of the two goal arms, rats learned to discriminate between 2 distinct visual cues, indicating the platform's presence (CS+) or absence (CS- ), respectively. Following task acquisition, testing continued using a combination of Regular trials (RT; both CS+ and CS- present) and Probe trials (PT; only one of the cues present). Results indicated that performance on PT was impaired due to greater task difficulty under conditions of reduced information, while Scopolamine (1 mg/kg) further impacted PT performance without affecting RTs. In a second experiment, PTs were administered with the platform present to provide reinforcement and a learning opportunity. Animals still exhibited poorer PT performance, but rapidly learned to rely on a single cue for accurate platform localization. Interestingly, this learning was not apparent under conditions of Scopolamine treatment (1 mg/kg), even though RT performance was completely unaffected. To examine experience-dependent changes in neuronal responding after visual discrimination learning, a subset of animals were anesthetised and visual evoked potentials (VEPs) in V1 and area CA1 of the hippocampus were recorded in response to CS+, CS-, and novel stimuli. In both the V1 and CA1, the VEP amplitudes elicited to familiar and novel stimuli were not significantly different. First, these experiments demonstrate the importance of the cholinergic system in sustaining visual attention and acquiring a new single-cue strategy. Furthermore, the null electrophysiology findings do not rule out the plastic response properties of the mature V1 and CA1, but remind us of the complex nature of memory encoding in the brain.
Download or read book Animal Behaviour Abstracts written by and published by . This book was released on 1986 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in pattern discrimination learning induced by visual de... by : Andreas Burkhalter
Download or read book Changes in pattern discrimination learning induced by visual de... written by Andreas Burkhalter and published by . This book was released on 1977 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Visual Discrimination Behavior Following Visual Cortex Lesions in Rabbits by : Dorothy Tuell Moore
Download or read book Changes in Visual Discrimination Behavior Following Visual Cortex Lesions in Rabbits written by Dorothy Tuell Moore and published by . This book was released on 1975 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Behavioural Biology Abstracts written by and published by . This book was released on 1986 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conflicting Discriminations in the Albino Rat by : Serena Sutton Besley
Download or read book Conflicting Discriminations in the Albino Rat written by Serena Sutton Besley and published by . This book was released on 1968 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: