Credit: PNAS/David Geffen School of Medicine at UCLA
Left image shows a normal brain scan; middle image shows a suspected CTE subject and right image shows an Alzheimer’s case. Note that more red and yellow colors demonstrate more abnormal brain proteins (tau and amyloid). In the suspected CTE subject note high levels of the FDDNP signal in the midbrain (red central area) and the amygdalae (smaller red areas located at 10 and 2 o’clock from the midbrain). Also, in this more advanced case of suspected CTE, note the FDDNP signal (yellow/green) throughout the cortex, which is where most of the FDDNP signal is located in the Alzheimer’s case.