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(topographic memory)
398 results
  • Somatostatin-Expressing Interneurons Form Axonal Projections to the Contralateral Hippocampus. [Journal Article]
    Front Neural Circuits 2019; 13:56Eyre MD, Bartos M
  • Conscious memories are critically dependent upon bilateral hippocampal formation, and interhemispheric commissural projections made by mossy cells and CA3 pyramidal cells. GABAergic interneurons also make long-range axonal projections, but little is known regarding their commissural, inter-hippocampal connections. We used retrograde and adeno-associated viral tracing, immunofluorescence and elect…
  • Neuroanatomical Considerations in Preoperative Functional Brain Mapping. [Journal Article]
    Top Magn Reson Imaging 2019; 28(4):213-224Black DF, Little JT, Johnson DR
  • Task-based functional magnetic resonance imaging (fMRI) for the presurgical assessment of eloquent cortex is increasingly relied upon by surgeons, neurologists, and radiologists. The utility of fMRI stems from the lack of correlation between topographic anatomy and functional anatomy. fMRI can noninvasively reveal the functional anatomy of a given individual thereby allowing the surgeon to choose…
  • Early signal from the hippocampus for memory encoding. [Journal Article]
    Hippocampus 2019Raynal E, Schnider A, Manuel AL
  • The mediotemporal lobe (MTL), including the hippocampus, is involved in all stages of episodic memory including memory encoding, consolidation, and retrieval. However, the exact timing of the hippocampus' involvement immediately after stimulus encounter remains unclear. In this study, we used high-density 156-channel electroencephalography to study the processing of entirely new stimuli, which ha…
  • A sense of space in postrhinal cortex. [Journal Article]
    Science 2019; 365(6449)LaChance PA, Todd TP, Taube JS
  • A topographic representation of local space is critical for navigation and spatial memory. In humans, topographic spatial learning relies upon the parahippocampal cortex, damage to which renders patients unable to navigate their surroundings or develop new spatial representations. Stable spatial signals have not yet been observed in its rat homolog, the postrhinal cortex. We recorded from single …
  • Cortico-cerebellar networks for visual attention and working memory. [Review]
    Curr Opin Psychol 2019; 29:239-247Brissenden JA, Somers DC
  • Cerebellar cortex, which is cytoarchitectonically homogenous, can be functionally differentiated by connectivity differences across the cerebral cortex. The cerebral cortical dorsal attention network exhibits strong, selective connectivity with a set of cerebellar circuits, including lobule VIIb/VIIIa. Recent findings demonstrate that lobule VIIb/VIIIa exhibits functional properties characteristi…
  • T2*-weighted MRI values correlate with motor and cognitive dysfunction in Parkinson's disease. [Journal Article]
    Neurobiol Aging 2019; 80:91-98Tambasco N, Paolini Paoletti F, … Calabresi P
  • Brain iron load is one of the main neuropathologic hallmarks of Parkinson's disease (PD). Previous studies indicated that iron in the substantia nigra (SN) is related to disease duration and motor impairment. We explore, through a cross-sectional study, the association between brain iron distribution, evaluated by T2*-weighted magnetic resonance imaging (T2*), and clinical features in a cohort of…
  • Cingulate infarction: A neuropsychological and neuroimaging study. [Journal Article]
    J Neurol Sci 2019; 402:1-6Kumral E, Erdoğan CE, … Arslan H
  • CONCLUSIONS: According rarely seen CC infarction events, we suggest that anterior and posterior CC are functionally separated and differences in clinical presentation are explained by considering; ACC plays a role in executive functions, episodic and working memory, set maintenance, and PCC is focused on spatial and verbal attention, and memory system. We considered that different patterns of cingulate infarcts are the result of variation in cingulate arterial supply or suggest a source of embolism.
  • Topographic Maps of Visual Space in the Human Cerebellum. [Journal Article]
    Curr Biol 2019; 29(10):1689-1694.e3van Es DM, van der Zwaag W, Knapen T
  • The purported role of the cerebellum has shifted from one that is exclusively sensorimotor related to one that encompasses a wide range of cognitive and associative functions [1-5]. Within sensorimotor areas of the cerebellum, functional organization is characterized by ipsilateral representations of the body [6]. Yet, in the remaining cerebellar cognitive and associative networks, functional org…
  • How does environmental knowledge allow us to come back home? [Journal Article]
    Exp Brain Res 2019; 237(7):1811-1820Piccardi L, Palmiero M, … Guariglia C
  • Herein, we investigate how the three types of mental spatial representation (landmark, route and survey) are reorganized to perform wayfinding and homing behaviour. We also investigate the contribution of visuo-spatial working memory in reaching and in vista space in performing the retracing of the path. For this purpose, we asked 68 healthy college students to learn and come back along an unknow…
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