CAT/CT scan

• How is an image obtained using a CT scan?

  > Use X-Rays

  > Creates slices of the brain built into a 3D image

  > Person lies on a moving platform to be passed through a scanner
• What type of scan is a CT scan?

  Structural
• How is a CT scan helpful for psychology?

  Establish size of brain regions or to identify lesions in brain
• What are the strengths of a CT scan?

  > Non-invasive and painless - able to reveal abnormal structures in the brain

  > Objective data - reliable
• What are the weaknesses of a CT scan?

  > Only provide structural information - limited used in research

  > Emits radiation - harmful to cells