Hemispheric asymmetries in resting-state EEG and fMRI are related to approach 
and avoidance behaviour, but not to eating behaviour or BMI

Morys, Filip; Janssen, Lieneke; Cesnaite, Elena; Beyer, Frauke; Garcia-Garcia, Isabel; Kube, Jana; Kumral, Deniz; Liem, Franz; Mehl, Nora; Mahjoory, Keyvan; Schrimpf, Anne; Gaebler, Michael; Margulies, Daniel S.; Villringer, Arno; Neumann, Jane; Nikulin, Vadim V.; Horstmann, Annette

doi:10.1101/692012

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Hemispheric asymmetries in resting-state EEG and fMRI are related to approach and avoidance behaviour, but not to eating behaviour or BMI

MPG-Autoren

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Morys, Filip
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons212777

Janssen, Lieneke
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons203573

Cesnaite, Elena
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

/persons/resource/persons225526

Beyer, Frauke
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

/persons/resource/persons98545

Kube, Jana
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons225365

Kumral, Deniz
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons188671

Liem, Franz
External Organizations;
Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

/persons/resource/persons199142

Mehl, Nora
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons225368

Mahjoory, Keyvan
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons98506

Schrimpf, Anne
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

/persons/resource/persons134458

Gaebler, Michael
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons19840

Margulies, Daniel S.
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;
Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

/persons/resource/persons20065

Villringer, Arno
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons19887

Neumann, Jane
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons201758

Nikulin, Vadim V.
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

/persons/resource/persons19734

Horstmann, Annette
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
External Organizations;

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Zitation

Morys, F., Janssen, L., Cesnaite, E., Beyer, F., Garcia-Garcia, I., Kube, J., et al. (2019). Hemispheric asymmetries in resting-state EEG and fMRI are related to approach and avoidance behaviour, but not to eating behaviour or BMI. bioRxiv. doi:10.1101/692012.

Zitierlink: https://hdl.handle.net/21.11116/0000-0004-BA3A-A

Zusammenfassung

Much of our behaviour is driven by two motivational dimensions – approach and avoidance. These have been related to frontal hemispheric asymmetries in clinical and resting-state EEG studies: approach was linked to higher activity of the left relative to the right hemisphere, while avoidance was related to the opposite pattern. Increased approach behaviour, specifically towards unhealthy foods, is also observed in obesity and has been linked to asymmetry in the framework of the right-brain hypothesis of obesity. Here, we aimed to replicate previous EEG findings of hemispheric asymmetries for self-reported approach/avoidance behaviour and to relate them to eating behaviour. Further, we assessed whether resting fMRI hemispheric asymmetries can be detected and whether they are related to approach/avoidance, eating behaviour, and BMI. We analysed 3 samples: Sample 1 (n=117) containing EEG and fMRI data from lean participants, and Samples 2 (n=89) and 3 (n=152) containing fMRI data from lean, overweight, and obese participants. While in Sample 1 approach in women was related to EEG and fMRI hemispheric asymmetries, in Samples 2 and 3 this effect was not significant. Here, hemispheric asymmetries were neither related to BMI nor eating behaviour. Our study partly replicates previous EEG findings regarding hemispheric asymmetries and indicates that this relationship could also be captured using fMRI. Our findings suggest that eating behaviour and obesity are likely to be mediated by mechanisms not directly relating to frontal asymmetries in neuronal activation quantified with EEG and fMRI.