Marcus is 42 years old. Ever since he was a young child, he has struggled to resist immediate temptations, often spending his savings on impulse purchases rather than planning for the future. His sister, Clara, has always found it easy to save money and stay focused on long-term goals.
Using your knowledge of the core study by Casey et al. (2011), outline the research and explain how the neural correlates identified in the study can account for the behavioral differences between Marcus and Clara.
39 exam-style questions on OCR A Level Psychology Regions of the brain, covering Sperry (1968): Split brain study and Casey et al. (2011): Neural correlates of delay of gratification. Each one has a worked solution and a mark scheme showing where the marks go.