| 1. |
- Broeren, Jurgen, et al.
(författare)
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Virtual reality and haptics as an assessement device in the postacute phase after stroke.
- 2002
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Ingår i: Cyber Psychology and Behaviour. - : Mary Ann Liebert Inc. - 1094-9313 .- 1557-8364. ; 5:3, s. 207-211
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Tidskriftsartikel (refereegranskat)abstract
- Virtual reality (VR) technology is altering the health care environment and is changing the options that are available to therapists. This study describes how a haptic device was used as a cinematic assessment utility. Three chronic stroke inpatients at Sahlgrenska University Hospital with left hemisphere damage were assessed. The patients were administered by the box and block manual dexterity test. For comparisons, a reference group was added to the study. Several parameters, including time, speed, and movement of the right upper extremity, were extracted and evaluated. The results indicate that the system shows potential as an assessment device. The feasibility study setup is working well, as is the assessment method. Further research, testing, refinement of the exercises, and use of VR and haptics within neurological rehabilitation are suggested.
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| 2. |
- Rydmark, Martin, 1950, et al.
(författare)
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Stroke rehabilitation at home using virtual reality, haptics and telemedicine.
- 2002
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Ingår i: Studies in health technology and informatics. - 0926-9630. ; 85, s. 434-7
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Tidskriftsartikel (refereegranskat)abstract
- The objective of this pilot study is to identify the level of difficulty in which subjects with left hemisphere damage in the acute phase after stroke can start practicing in a virtual environment. Second, to test an application of Virtual Reality technology to existing occupational treatment methods in stroke rehabilitation and develop a platform for home rehabilitation controlled telemedically. The findings indicate that the system shows potential as an assessment and training device. The feasibility study setup is working well likewise the assessment method. Developing and increasing the complexity of the tasks must be based on the patient individual neurology, and that the cinematic motion patterns of the patient's are the basis for exercise design.
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| 3. |
- Skoglund, Thomas, 1969, et al.
(författare)
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Aspects of the quantitative analysis of neurons in the cerebral cortex.
- 1996
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Ingår i: Journal of neuroscience methods. - 0165-0270. ; 70:2, s. 201-10
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Tidskriftsartikel (refereegranskat)abstract
- We address three problems concerning the quantitative analysis of nerve cell distribution in the cerebral cortex: (i) preparatory tissue deformation (shrinkage); (ii) difficulties in differentiating between small neurons and astroglia; and (iii) the bias introduced by the counting method. We found that staining with Richardson's solution led to no shrinkage in Vibratome-cut sections of aldehyde-fixed rat brains, but did result in staining of the neurons and left the glial cells unstained. This was in striking contrast to Nissl staining which introduced a linear shrinkage of 20-30% and stained all kinds of cortical cells indiscriminately. A computer-based unbiased counting method was implemented by taking advantage of the stereological procedure referred to as the 'optical disector' (Gundersen, H.J.G. (1986) Stereology of arbitrary particles, J. Microsc., 143: 3-45).
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