Results: Our results showed that the influence of each activation component over other components is different. The brain areas which showed the highest causality coefficients were subcortical regions, such as the brain stem, thalamus, and amygdala. On the other hand, nearly ...
The function of any area of the brain is a product of its unique population of neurons and nonneurons and their local and long-range connectional architect... Collins,E Christine - 《Brain Behav Evol》 被引量: 33发表: 2011年 Neuron densities vary across and within cortical areas in primate...
Corticofugal projections were examined by means of the autoradiographic tracer method in 21 macaca fascicularis. The labeled material was injected into the main body representation areas of the precentral motor cortex and into various regions of Brodmann's areas 6, 8 and 9 of the frontal lobe. ...
The origins of brain stem projections to the cytoarchitectonically different areas 17, 18 and 19 of the cat's visual cortex were studied following small horseradish peroxidase (HRP) injections. Labelled cells were counted in a dopaminergic nucleus (nucleus linearis rostralis (NLR)), other catechol...
Our results are consistent with previous hypotheses that greater local clustering of interneuronal connections would be required in a larger brain, and fiber tension between local cortical areas would induce cortical folds. We suggest that sex effects are explained by brain size effects in cortical ...
Classically, different physical attributes of the visual stimulus were thought to be solved in parallel by interdependent neuronal populations conveying information from the retina to the parietal and temporal cortical areas. According to this assumption, while neurons in the dorsal areas of the visual ...
The functional properties of these two areas of the V5/MT complex are also different; the response to optic flow was obtained only with changing flow stimuli, whereas response to translation occurred during exposure to continuous motion. 展开 ...
The neural mechanisms underlying conscious recognition remain unclear, particularly the roles played by the prefrontal cortex, deactivated brain areas and subcortical regions. We investigated neural activity during conscious object recognition using 7 Tesla fMRI while human participants viewed object images pre...
They reveal reduced connectivity between regions involved in facial expression processing and theory of mind (middle temporal gyrus), emotion processing (ventromedial prefrontal cortex), and the representation of self (precuneus and related posterior cingulate areas). Whole-brain voxel-based unbiased ...
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