14 September 1998HKU Interdisciplinarity Two types of differences: –Questions (Level of Analysis) –Methods Researchers in each field use their own tools and ask questions at specific levels of analysis.

14 September 1998HKU Questions about Dogs in Psychology How do we learn the concept of dog? Do we over or under generalize? Is the concept of dog an image? Do we have a prototypical dog concept? Is it a network of propositions? How is it related to the concept cat?

14 September 1998HKU Linguistics What is the meaning of the word dog? Is it a mass noun or a count noun? What modifiers can be used with dog? When do children acquire the word? Do they learn the correct syntax (e.g., proper noun versus common noun)?

14 September 1998HKU Neuroscience Is there a dog area of the brain (like faces)? Is dog knowledge stored with animal knowledge, object knowledge... ? How are groups of cells organized to represent different aspects of dog? How is dog knowledge represented in a chimpanzee’s brain?

14 September 1998HKU Computer Science Can a computer have the concept dog? Does it make the same recognition and categorization mistakes as humans? Does a computer have the same sort of inductive intuitions about dogs? How is dog knowledge represented?

14 September 1998HKU Philosophy What is the relationship between knowledge in my head, your head, words, the objects they designate, and concepts in general? How is it that something in the head can be about something outside? Does a photograph of a dog represent a dog? Is there an essential dogginess?