Lecture Outlines: The Visual System
Lecture 1:
- Organization of the retina and the lateral geniculate nucleus (LGN):
- Wiring diagram of visual system
- Basic arrangement of the retina: layers, cell types, connections
- Nature of the receptor array, rods and cones
- Retinal ganglion cell classes
- Physiology of pre-ganglionic elements
- Layout of the LGN
- Physiology of the LGN
- Organization of visual cortex:
- Layout of V1: inputs, layers, topography
- Physiology of V1: basic transforms
- V1 Cytoarchitecture: modular organization
- Listing of extrastriate areas
- Anatomical layout of extrastriate cortex
- Single cell characteristics of extrastriate areas
Lecture 2:
- The ON and OFF channels of the visual system:
- The ON and OFF channels, physiology
- The central connections of the ON and OFF channels
- The ON and OFF Channels, behavioral studies
- The midget and parasol channels of the visual system:
- The Midget and Parasol channels, physiology
- The central connections of the Midget and Parasol channels
- The Midget and Parasol channels, behavioral studies
Report: Maunsell et al. and Ferrera et al.
Lecture 3:
- Processing of depth perception:
- Basics of depth perception: oculomotor cues, perspective, shading,parallax, and stereopsis
- Mechanisms of stereoscopic depth perception
- The effects of cortical lesions on depth perception
- Processing of stereopsis in extrastriate cortex
- Processing of color perception:
- Basics of color vision
- Color processing by photoreceptors, ganglion cells, and cortex
- Effects of cortical lesions on color vision
- Color blindness
- Adaptation and after images
- Adaptation:
- Visibility range
- Luminance adaptation
- Chrominance adaptation
- Processing of shape perception:
- Basics of shape perception: general theories
- Theories of shape processing: line segment analysis, spatial frequency analysis, conformal mapping
- The effects of cortical lesions on shape processing and stimulus selection
Report: Dacey et al.
Lecture 4: The neural control of eye-movements:
- Types of eye movements
- The eye plant: muscles and their innervation
- Organization of the superior colliculus
- Visual inputs to the superior colliculus
- Cortical control of visually guided eye movements: The posterior and anterior systems
- Function of the frontal and medial eye fields
- Express saccades
Report: Hikosaka and Wurtz papers.
Lecture 5: Motion perception and Recitation:
- Processing of motion:
- Basics of motion perception
- The accessory optic system
- Eye stabilization with the vestibular system
- Cortical processing of motion
- The effects of cortical lesions on motion perception
Report: Oyster and Barlow
- Overview