The following images, reconstructed from scans using a 3.0 Tesla fMRI device, show the pattern of brain activation when subjects opened and closed their right hand.

Select the appropriate resolution to see the image larger.

Control Subject

Left Hemisphere

Low Resolution (72 dpi, 208KB)
High Resolution (300 dpi, 1.8MB)

Right Hemisphere

Low Resolution (72 dpi, 220KB)
High Resolution (300 dpi, 1.8MB)

Subject with multiple sclerosis

Left Hemisphere

Low Resolution (72 dpi, 243KB)
High Resolution (300 dpi, 2MB)

Right Hemisphere

Low Resolution (72 dpi, 232KB)
High Resolution (300 dpi, 1.9MB)

Subject with impairments due to stroke

Left Hemisphere

Low Resolution (72 dpi, 237KB)
High Resolution (300 dpi, 1.8MB)

Right Hemisphere

Low Resolution (72 dpi, 282KB)
High Resolution (300 dpi, 2MB)

Subject with cerebral palsy

Left Hemisphere

Low Resolution (72 dpi, 247KB)
High Resolution (300 dpi, 1.9MB)

Right Hemisphere

Low Resolution (72 dpi, 247KB)
High Resolution (300 dpi, 1.8MB)