Homework 4


Due 5/13/05 at the beginning of class

1. Is there any validity to the process of building computer models of cognition? If so, how do these models help us understand the human mind? If not, by what other mechanisms should researchers be testing and refining their theories of cognition?

2. Do you believe that connectionist models or symbolic models are the better approach to modeling cognition? Or are they both equally valid, but at different levels of understanding? Justify your answer.

3. What, if anything, did you learn about the applications of cognitive psychology to your own life that you weren't aware of before you took this class. Give two or three examples.

4. Do you think knowledge is represented in a discrete fashion, as in most of the models we've discussed this semester, or in a distributed fashion, as with PDP models? How does knowledge being represented in a distributed manner affect ideas about information flow, such as priming, spreading activation, and schemas?

5.Why are the letters MT significant? (Within the confines of class, please. Nothing about Montana.) What does this type of study say about the merits of the behaviorist notion of the black box?

6. Can we really draw valid conclusions about localization in the brain of various cognitive functions from what patients with brain damage are or are not able to do relative to normal people? Why or why not?