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Sandra Sünram-Lea

Nutrition and Cognition Research

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Journal Articles

Sugar rush or sugar crash?: A meta-analysis of carbohydrate effects on mood

Mantantzis, K., Schlaghecken, F., Sunram-Lea, S-I., & Maylor, E. (2019). Sugar rush or sugar crash? A meta-analysis of carbohydrate effects on mood. Neuroscience & Biobehavioral Reviews, 101, 45-67.

May 17, 2019 By Prof. Sandra Sünram-Lea

The effect of carbohydrate (CHO) consumption on mood is at the center of a long-standing debate, with researchers reporting both mood improvements and decrements following CHO ingestion. As global consumption of sugar-sweetened products has sharply increased in recent years, examining the validity of claims of an association between CHOs … [Read more...] about Sugar rush or sugar crash?: A meta-analysis of carbohydrate effects on mood

Last in, first out: brain economy in times of limited resources

Sunram-Lea, S-I. (2017). Last in, first out: brain economy in times of limited resources. The Quarterly Journal of Experimental Psychology , 17(12), 2586-2596.

September 17, 2017 By Prof. Sandra Sünram-Lea

It has been argued that cognitive abilities that developed last ontogenetically are likely the first to become impaired when cognitive and/or physiological resources are compromised. In phylogeny as in ontogeny, the prefrontal cortex is a late developing region of the cortex. Late maturing areas of the dorso-lateral prefrontal cortex are … [Read more...] about Last in, first out: brain economy in times of limited resources

A temporary deficiency in self-control: can heightened motivation overcome this effect?

Kelly, C., Crawford, T. J., Gowen, E., Richardson, K., & Sünram-Lea, S. I. (2017). A temporary deficiency in self-control: can heightened motivation overcome this effect? Psychophysiology, 54(5), 773-779.

May 17, 2017 By Prof. Sandra Sünram-Lea

Self-control is important for everyday life and involves behavioral regulation. Self-control requires effort, and when completing two successive self-control tasks, there is typically a temporary drop in performance in the second task. High self-reported motivation and being made self-aware somewhat counteract this effect-with the result … [Read more...] about A temporary deficiency in self-control: can heightened motivation overcome this effect?

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