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Comparison of techniques for in vivo imaging of amyloid β (Bacskai et al 2002)
| Technique | Cross-sectional resolution (mm)1) | Ionizing radiation | Volume | Invasivness |
|---|---|---|---|---|
| PET | 2–6 | Yes | Entire brain | No |
| SPECT | 1–10 | Yes | Entire brain | No |
| MRI | 0.1–1 | No | Entire brain | No |
| Multiphoton | 0.001 | No | 0.2 mm3 | Yes |
Abbreviations: PET, positron emission tomography; SPECT, single photon emission computed tomography; MRI, magnetic resonance imaging; mm, millimetre.
