Basic bio/neuro help!

[AllSmiles66]

Hi, I need help with the following question (I'm Pre-Dental) but there are more people on these boards!

An experimenter wishes to determine the function of a small area of the precentral gyrus, an area we will call the "Uncertain Function Area" or UFA. First, the experimenter studies the motor behavior of a sample monkey noting how it picks up objects with both its hands and feet, how it walks using all four limbs, how it uses its both hands and feet in playing with other monkeys, etc. The experimenter then captures the monkey, anesthetizes it and removes its left UFA. After the monkey has recovered from the anesthesia and the effects of the surgery, the monkey is returned to the large cage housing the other monkeys and is observed. It is observed to pick up objects with both its hands but rarely attempts to pick up an object using its right foot. The monkey appears to walk on all fours quick normally, but in playing with other monkeys uses its hands much more than its feet.

a) Name at least 2 variables present in the description of this experiment.
b) For each variable you mention describe what changes it undergoes during th ecourse of the experiment.
c) Name some of the constants present in the description of this experiment.

---

Members don't see this ad.

 

[EFesta77]

Uh oh, you better be able to pick out independent and dependent variables when given the experimental conditions. independents are the variables the scientist manipulates. one is pretty obvious: testing the monkey with the UFA and without the UFA. Another is testing the subject's "play" behavior with or without other conspecifics (pre- vs. post-surgery). dependent variables are the ones that change...so, however they measure hand and foot movement, play behavior and so on (number of flexes, etc).

good luck.

Hi, I need help with the following question (I'm Pre-Dental) but there are more people on these boards!

An experimenter wishes to determine the function of a small area of the precentral gyrus, an area we will call the "Uncertain Function Area" or UFA. First, the experimenter studies the motor behavior of a sample monkey noting how it picks up objects with both its hands and feet, how it walks using all four limbs, how it uses its both hands and feet in playing with other monkeys, etc. The experimenter then captures the monkey, anesthetizes it and removes its left UFA. After the monkey has recovered from the anesthesia and the effects of the surgery, the monkey is returned to the large cage housing the other monkeys and is observed. It is observed to pick up objects with both its hands but rarely attempts to pick up an object using its right foot. The monkey appears to walk on all fours quick normally, but in playing with other monkeys uses its hands much more than its feet.

a) Name at least 2 variables present in the description of this experiment.
b) For each variable you mention describe what changes it undergoes during th ecourse of the experiment.
c) Name some of the constants present in the description of this experiment.