Every once in a while nature gives us insight into the human condition by providing us with a unique case whose special properties illuminate the species as a whole. Christopher is such an example. Despite disabilities which mean that everyday tasks are burdensome chores, Christopher is a linguistic wonder who can read, write, speak, understand and translate more than twenty languages. On some tests he shows a severely low IQ, hinting at ineducability, yet his English language ability indicates an IQ in excess of 120 (a level more than sufficient to enter university). Christopher is a savant,...

Research Methods in Sign Language Studies is a landmark work on sign language research, which spans the fields of linguistics, experimental and developmental psychology, brain research, and language assessment.

• Examines a broad range of topics, including ethical and political issues, key methodologies, and the collection of linguistic, cognitive, neuroscientific, and neuropsychological data
• Provides tips and recommendations to improve research quality at all levels and encourages readers to approach the field from the perspective of diversity rather than...

Research Methods in Sign Language Studies is a landmark work on sign language research, which spans the fields of linguistics, experimental and developmental psychology, brain research, and language assessment.

• Examines a broad range of topics, including ethical and political issues, key methodologies, and the collection of linguistic, cognitive, neuroscientific, and neuropsychological data
• Provides tips and recommendations to improve research quality at all levels and encourages readers to approach the field from the perspective of diversity rather than...