Marcus is a young adult who struggles with 'impulse buying' on smartphone apps that offer immediate delivery, whereas his sister Chloe is able to save her money for long-term goals.
Using the research by Casey et al. (2011) on the neural correlates of delay of gratification, explain the differences in behavior between Marcus and Chloe, referring to specific brain regions and cognitive systems.
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.