The result was a detailed movie of how the organizational transition from a child's brain to an adult's brain takes place. Researchers also checked children's brains for small-world organization, another organizational quality present in adult brains.
Select the cells whose lines you want to remove and go to the Borders button on the Home tab. Select Line Color and choose white in the color palette. White becomes your default border color when you select it. (Image: Image courtesy Microsoft). Go back to the Borders button and choose a border outline.
Next, we need to fill our new layer with 50% gray, the same gray we're looking for in our image. Go to Edit > Fill. This opens Photoshop's Fill dialog box. Set the Use option to 50% Gray. Click OK when you're done to close out of the dialog box.