The document discusses learning disabilities and how they impact students. It defines learning disabilities as difficulties processing and learning information despite average or above average intelligence. It describes how the information processing model shows how disabilities can impact the input, processing, output, and executive functioning components of learning. There is no single known cause of learning disabilities, but issues with how the brain processes information are commonly believed to play a role. The document also defines sensory, short-term, and long-term memory and how weaknesses in these areas can affect students with learning disabilities.