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Lecture 4

Lecture 4 - Review Answers.docx

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Department
Neuroscience
Course
NROC61H3
Professor
Rutsuko Ito
Semester
Fall

Description
Lecture 4 Questions 1. One CEO (A) arrives promptly 5 minutes before the start of all meetings. Another CEO (B) arrives sometime around the 5 minute mark after the meeting has started. What schedule of reinforcement do CEOs A and B follow? a. A: fixed ratio, B: variable ratio b. A: variable ratio, B: fixed ratio c. A: fixed interval, B: variable interval d. A: fixed ratio, B: variable interval 2. A child learns that to avoid punishment, he should eat all his vegetables. This is an example of: a. Positive reinforcement b. Negative reinforcement c. Punishment d. Positive contingency 3. A rat with a hippocampal lesion will have greater difficulty locating a reward in the ______________ task of the T-maze than a rat with a medial prefrontal cortical lesion because of a deficit in ___________________. a. Matching-to-place; reference memory b. Non matching-to-place; reference memory c. Matching-to-place; spatial working memory d. Non matching-to-place; spatial working memory 4. For the radial maze task, rats that enter a non-rewarded arm are considered to have made an error in __________ and rats that re-enter an arm are considered to have made an error in _______________. a. S-R learning, A-O learning b. Reference memory, spatial working memory c. Spatial working memory, reference memory d. A-O learning, S-R learning 5. A rat lever presses to obtain a food reward. Which of the following is FALSE? a. This is an example of a free operant procedure b. This response is learnt through a shaping procedure c. This rat’s behaviour is called free action d. The rat is only allowed to perform a set number of responses by the experimenter 6. What does Thorndike’s law of effect propose? a. If a response in the presence of a stimulus is followed by an appetitive outcome, then the association between the response and outcome is strengthened b. If a response in the presence of a stimulus is followed by an appetitive outcome, then the association between the response and outcome is weakened c. If a response in the presence of a stimulus is followed by an appetitive outcome, then the association
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