In the Neurotransplantation Experiment by Ralph and Colleagues,the Suprachiasmatic Nuclei

question 56

Multiple Choice

In the neurotransplantation experiment by Ralph and colleagues,the suprachiasmatic nuclei (SCN) were transplanted from the fetuses of mutant hamsters that had abnormally brief free-running sleep-wake cycles into normal adult hamsters whose sleep-wake cycles had been abolished by SCN lesions.The transplants initiated __________ sleep-wake cycles in the recipients.

• A) 24-hour
• B) 24-hour free-running
• C) 25.5-hour free-running
• D) 20-hour free-running
• E) reversed

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Definitions:

Contingencies

Conditions, events, or situations that are dependent on other factors or conditions occurring first.

Behavioral Signature

A unique pattern of actions or reactions that are characteristic of an individual across different situations.

Mischel

Refers to Walter Mischel, a psychologist known for his work on personality theory and cognitive-affective behavior.

Self-Efficacy

An individual's belief in their ability to succeed in specific situations or accomplish a task.