Explain what is meant by a place cell, and discuss the role of these cells in spatial memory.
What will be an ideal response?
The ability to navigate requires an intact hippocampus, which contains place cells that respond differentially to certain locations. For example, after brain surgery to treat his epilepsy, patient H. M. had difficulties in spatial navigation related to his ablated hippocampus and lack of place cells. In addition, the firing rate of individual hippocampal cells was a function of the spatial location of a rat as it wandered around a maze. The external cues of the environment can control the firing rate of hippocampal cells, particularly of cells in the dorsal hippocampus (a key region for spatial navigation). The entorhinal cortex, which is an important input zone for the hippocampus, is also important for spatial navigation.
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In observational research, threats to validity may be controlled
a. Mathematically b. With a well-developed hypothesis c. Through a thorough understanding of the problem at hand d. With a deductive process
If you have developed an extreme negative reaction to chicken because it was associated with a case of the flu in your childhood, you have a ____
a. ?observationally conditioned taste sensation b. ?classically conditioned taste aversion c. ?operantly conditioned taste response d. ?operantly conditioned nausea aversion
What does research on sensory deprivation reveal?
a. It improves concentration. c. It makes it easier to sleep. b. It is an easy way to earn money. d. It produces boredom and disorientation.
What are the three levels of the tripartite model of personal identity?
What will be an ideal response?