By Nathalie Tatjana Burkert
This booklet presents facts approximately an altered flavor processing because of the management of a candy, bitter, or umami flavor in sufferers struggling with Anorexia Nervosa (AN). in addition, the implications exhibit for the 1st time that style processing is linked to mental points similar to rigidity, anxiousness, co-morbidities, or the length of the disease in AN.
Anorexia Nervosa is one of the most generally unfold and such a lot critical psychological illnesses in Western nations. during this ebook the result of numerous analyses in 21 girls being affected by AN in comparison to 21 fit keep an eye on ladies (CW) are illustrated. the result of this examine give a contribution to a greater realizing of the pathophysiology of AN, and, for that reason, aid to enhance the treatment.
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Extra resources for Psychological and Neurobiological Aspects of Eating Disorders: A Taste-fMRI Study in Patients Suffering from Anorexia Nervosa
Drinking chocolate milk when hungry activated the right amygdala and left medial temporal gyrus. , 2011). , 2013). A ventral (limbic) neurocircuit which includes the amygdala, the insula, the ventral striatum and ventral regions of the ACC, and the OFC, seems to be of particular relevance for the behavior of individuals suffering from AN. , 2009). , 2004). Frank et al. (2012) found that brain reward circuits in response to taste stimuli are more responsive to food stimuli in AN than in obese subjects.
The distortion of the body image which is present in patients suffering from an ED can be explained by a difference in cerebral processing concerning body images. Corresponding reduced activity can be found in the following neural areas: the insula (which is responsible for the representation of the body scheme), dorso-lateral prefrontal cortex and cerebellum (which are involved in cognitive processing), and the parahippocampal and fusiform gyri (both involved in processing emotions). , 2010). , 2008).
In contrast to this, Radeloff et al. (2014) found a reduced response to a high-fat cream and non-caloric viscous stimulus in AN compared to BN and healthy controls. , 2008). , 2010). , 2008). Most recent studies, however, indicate mixed findings in regards to neurocognitve functions with recovery from AN (Hay & Sachdev, 2011). Nevertheless, evidence emerging from functional neuroimaging studies raises the possibility of a biological abnormality which may predispose to AN. There are, for example, studies which were able to show an abnormal functioning in the frontal, limbic, occipital, striatal and cerebellar regions that may persist after recovery (Hay & Sachdev, 2011).