Fig. 2.

Representative spectra from the anterior cingulate cortex (ACC), retrosplenial cortex (RSC), left hippocampus (HL) and right hippocampus (HR) of an Alzheimer's disease patient (73 years old). Zero filling to 4096 data points and an 8 Hz Gaussian filter were applied for display purposes. PEth, phosphoethanolamine; PCh, phosphocholine; Pi, inorganic phosphate; GPEth, glycerophosphoethanolamine; GPCh, glycerophosphocholine; MP, membrane phospholipids; PCr, Phosphocreatine; ATP, adenosine triphosphate; NAD(H), nicotinamide adenine dinucleotide; ppm, parts per million.