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Article citations


Balslev, D., Odoj, B. and Karnath, H.O. (2013) Role of Somatosensory Cortex in Visuospatial Attention. Journal of Neuroscience, 33, 1311-1318.

has been cited by the following article:

  • TITLE: Functional PET Scan in Four Patients with Higher Order Neglect-Like Cognitive Dysfunction Associated to Chiasm Related Pathology

    AUTHORS: Hans Callø Fledelius, Kirsten Korsholm, Ian Law

    KEYWORDS: Chiasmal Lesions, Visual Field Defects, Neglect-Like Behaviour, Cognitive Disturbances, Functional PET Scan (FDG) of Brain

    JOURNAL NAME: Open Journal of Ophthalmology, Vol.5 No.2, April 21, 2015

    ABSTRACT: Cognitive disturbances with neglect-like features have been reported occasionally in patients with chiasmal disorders, so far however with no obvious substrate by conventional brain imaging. Thus, there were no right hemisphere lesions that could explain the lateralised visual inattention as observed in particular during monocular visual acuity testing. On this background, we further examined four adult patients who consented to functional 18F-fluoro-deoxyglucose (FDG) positron emission tomography (PET) scan. In three there were no significant findings. The fourth patient, a 26-year-old male with cognitive defects after surgery for craniopharyngioma, will be discussed in more detail. His PET scan demonstrated a widespread reduction of regional metabolic activity in left hemisphere primary visual cortex and higher order visual areas, despite absence of explanatory pathological signal changes on MRI. As present in only one out of four patients, however, the findings do not allow specific pathogenetic mechanisms to be suggested, nor generally to substantiate involvement of higher cerebral circuits. Obviously, even developed imaging has its limits, and in the very theory the visual dysfunctions observed might still depend on higher brain centres’ faulty adaptation to loss of pre-geniculate visual information.