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Interactions between metabolic, cognitive and reward processes in appetite

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  • Full or part time
    Prof Higgs
  • Application Deadline
    No more applications being accepted
  • Competition Funded PhD Project (European/UK Students Only)
    Competition Funded PhD Project (European/UK Students Only)

Project Description

Recent research has helped us understand the processes that lead individuals to prefer certain foods over others and the factors that influence how much an individual is likely to eat. We know that through experience we learn that some foods are very rewarding to eat, which influences our subsequent choices. We also know that signals relating to the ingestion of food arising from the body (metabolic signals) modulate processes in the brain that are important for determining how much a food is desired. Food is less attractive when we have just eaten for this reason. Our food choices are also influenced by cognitive processes such as attention and memory, for example, when thinking about food we are likely to pay attention to food in the environment and may be more likely to eat. Although we know that metabolic signals and cognitive processes directly influence food reward we know very little about how these factors may interact to affect eating. New evidence from our research team suggests that metabolic signals may affect food reward indirectly via changes in higher cognitive functions. The aim of this research project is to investigate this novel idea by examining the effects of eating to satiety and specific metabolic signals on cognitive processes and food reward. This is an innovative approach to the study of food choice and intake and the results will have implications for both theory and practice. Potential practical benefits include the possibility of developing more effective interventions that target cognitive processes to help individuals to control their food intake.

The lab is based in the School of Psychology, University of Birmingham. We are one of the largest and most active psychology departments in the UK. Further information on research in the School can be found at

http://www.birmingham.ac.uk/students/courses/postgraduate/research/psych/psychology.aspx

and about the group at: https://eatingbehaviourlab.wordpress.com/about/


Funding Notes

See this link for details on how to apply

https://www2.warwick.ac.uk/fac/cross_fac/mibtp/pgstudy/phd_opportunities/application/

Note that all formal applications must be made via the postgraduate admissions system in the School of Psychology
http://www.birmingham.ac.uk/students/courses/postgraduate/research/psych/psychology.aspx#CourseDetailsTab

References

Thomas, J. M., Higgs, S., Dourish, C. T., Hansen, P. C., Harmer, C. J., & McCabe, C. (2015). Satiation attenuates BOLD activity in brain regions involved in reward and increases activity in dorsolateral prefrontal cortex: an fMRI study in healthy volunteers. The American Journal of Clinical Nutrition, 101(4), 697-704.

Higgs, S., Dolmans, D., Humphreys, G. W., & Rutters, F. (2015). Dietary self-control influences top–down guidance of attention to food cues. Frontiers in Psychology, 6, 427.

Thomas, J.M. Tomlinson, J.M. Hassan-Smith, Z. Dourish C. T. and Higgs, S. (2014). Effects of the 5-HT2C receptor agonist meta-chlorophenylpiperazine on appetite, food intake and emotional processing in healthy volunteers. Psychopharmacology 231: 2449-59.

Related Subjects

How good is research at University of Birmingham in Psychology, Psychiatry and Neuroscience?

FTE Category A staff submitted: 40.80

Research output data provided by the Research Excellence Framework (REF)

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