1. WPA Neuroimaging

2. WPA Basic Principles of Brain Imaging Some technique is used to measure a signal in the brain (e.g., the degree to which an xray beam is attenuated in CT)Some technique is used to measure a signal in the brain (e.g., the degree to which an xray beam is attenuated in CT) Brain is broken down into a grid of cubes (voxels, or volume elementsBrain is broken down into a grid of cubes (voxels, or volume elements The voxels are converted to pixels (picture elements) so that the brain images can be visualizedThe voxels are converted to pixels (picture elements) so that the brain images can be visualized High speed computers are used to generate the imagesHigh speed computers are used to generate the images

3. WPA Structural Imaging Tools Computer Tomography (CT): now largely surpassedComputer Tomography (CT): now largely surpassed Magnetic Resonance Imaging (MRI), also referred to as structural MR (sMR): used to measure brain anatomyMagnetic Resonance Imaging (MRI), also referred to as structural MR (sMR): used to measure brain anatomy Diffusion Tensor Imaging (DTI): used to measure white matter tractsDiffusion Tensor Imaging (DTI): used to measure white matter tracts

4. WPA Three Types of MR Images T2 PDT1

5. WPA A Brain Disease: CT scans showing ventricular enlargement in a patient with schizophrenia

6. WPA Consistent Replication: CT Studies of Schizophrenia

7. WPA MR Images of Brain, Ventricles, and Hippocampus Schizophrenia Control

8. WPA Multimodal MR Imaging T2 PDT1

9. WPA Automated Tissue Classification

10. WPA Classified Images ContinuousDiscrete