Brain Areas from Brain Imaging
 A Sensory Modality
What makes one sensation qualitatively different from another?
Temporal and Spatial Resolution of Methods for the Study of Brain Function
Magnetic Properties of Proton Nucleus of Hydrogen Atom
Spontaneous Decay of Transverse Magnetization
Oxyhemoglobin Increase in Venous Blood During Neuronal Activity
fMRI
Limitations of fMRI
Visual system
Slide 11
Maps of Human Visual Areas:
stimuli with iso-eccentricity and iso-polar angle
Human visual areas on flattened cortex
Localization: mapped retinotopic areas
Retinotopic Visual Areas
Effects of attention on fMRI (O¹Craven et al, Neuron, 1997)
Slide 17
Topography of Color-Selective Activity in Human Visual Cortex
Retinotopic features of V8
Polar Angle Retinotopy of Visual Cortex
Color Afterimages in V8
Evidence That Human V8 and V4v are Distinct Visual Areas