Josh McDermott continues MIT's course 9.35, Perception, with a lecture on the parietal lobe's role in visual attention before turning to touch. He covers how attention is thought to be implemented in the brain, drawing on lesion studies and neural evidence for parietal involvement in spatial attention, then shifts to tactile perception, laying out the basic receptors and pathways that let the skin register pressure, texture, and vibration. Running 77 minutes, the lecture is part of MIT OpenCourseWare's Spring 2024 recording of 9.35 and assumes familiarity with earlier sessions on sensory systems. McDermott moves between conceptual framing and specific experimental findings, treating attention and touch as two separate but connected topics in the broader study of how the brain constructs perceptual experience from raw sensory input.