Tentamen Emotie, Cognitie, en het Brein A

16 February 1999

1. For each of the following research methods, describe the resolution in space and time by drawing a circle around the word high or low

2. Describe two functions of glial cells in the cortex.

Function 1:

Function 2:

3. Does the following pair of pictures show coronal, saggital or horizontal cuts?

4. Describe the magnocellular and parvocellular pathways in the visual system. What is their role, and what do they connect?

5. From which area of the brain was this neuron most likely recorded? (Several answers are possible, even though the book gives only one correct answer. Only one answer is required, however.)

6. What is a grandmother cell? What are the problems with assuming the existence of grandmother cells? How can sparse coding remedy (solve) some of these problems?

7. What is apperceptive agnosia? What does the 'unusual views test' tell us about this disorder?

8. If you were told about a patient who had severe bilateral lesions of the hippocampus and parahippocampal areas, say because of a sudden infection, would you expect this patient to be able to do the following (circle yes or no):

9. What is long-term potentiation?

10. What type of aphasia does the patient with the brain below have (the fuzzy area marks the lesion site):

11. Describe three different ways in which brain lateralization has been studied. (i.e., do not just mention them, also explain them briefly.)

1.

2.

3.

12. What is the frequency hypothesis in brain lateralization and how does it apply to lateralization of visual perception?

13. Brodmann's area 6 is subdivided into SMA and PMC. What do these abbreviations mean and what role do they play in the guidance of movements?

14. What is the role of the anterior cingulate cortex?

15. How does Ramachandran explain the fact that he can map out a patient's amputated hand on his cheek, using the 'cue-tip method'?