| 1. |
- ANDERSSON, JLR, et al.
(författare)
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A METHOD FOR COREGISTRATION OF PET AND MR BRAIN IMAGES
- 1995
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Ingår i: JOURNAL OF NUCLEAR MEDICINE. - : SOC NUCLEAR MEDICINE INC. - 0161-5505. ; 36:7, s. 1307-1315
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Combining MRI morphological data with functional PET data offers significant advantages in research as well as in many clinical situations. Automatic methods are needed, however, to coregister the data from the two modalities. Methods: Simulated PET imag
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| 2. |
- Andersson, JLR, et al.
(författare)
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A multivariate approach to registration of dissimilar tomographic images
- 1999
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Ingår i: European Journal of Nuclear Medicine. - : SPRINGER VERLAG. - 0340-6997 .- 1432-105X .- 1619-7070 .- 1619-7089. ; 26:7, s. 718-733
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Tidskriftsartikel (refereegranskat)abstract
- We devised a method to allow for retrospective registration of tomographic images with very different information content, the main emphasis being on sets of positron emission tomography images obtained with different tracers. A multivariate cost-function
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| 3. |
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| 4. |
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| 5. |
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| 6. |
- Andersson, JLR, et al.
(författare)
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Regional cerebral blood flow and oxygen metabolism during migraine with and without aura
- 1997
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Ingår i: CEPHALALGIA. - : SCANDINAVIAN UNIVERSITY PRESS. - 0333-1024. ; 17:5, s. 570-579
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Eleven cases of migraine with and without aura were investigated with positron emission tomography (PET). Regional cerebral blood flow (rCBF), oxygen metabolism (rCMRO(2)) and oxygen extraction (rOER) were measured during baseline (n = 11), aura (n = 6),
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| 7. |
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| 8. |
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| 9. |
- Andersson, JLR, et al.
(författare)
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Weighted summation of oxygen-15-water PET data to increase signal-to-noise ratio for activation studies
- 1997
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Ingår i: JOURNAL OF NUCLEAR MEDICINE. - : SOC NUCLEAR MEDICINE INC. - 0161-5505. ; 38:2, s. 334-340
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Data with the highest possible signal-to-noise (S/N) ratios are desirable when performing nonquantitative perturbation studies with PET and O-15-water. To achieve this, protocols have been suggested in which the stimulus is switched off before the washout
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| 10. |
- Bäckman, Lars, et al.
(författare)
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Brain regions associated with episodic retrieval in normal aging and Alzheimer's disease
- 1999
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Ingår i: NEUROLOGY. - : LIPPINCOTT WILLIAMS & WILKINS. - 0028-3878. ; 52:9, s. 1861-1870
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To examine patterns of brain activation during verbal episodic retrieval in normal elderly subjects and patients in an early phase of AD. Background: It is established that 1) a profound episodic memory impairment is a cardinal symptom of AD;
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