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Related to angular gyrus: Wernicke's area
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But canonical areas for verb naming were also recruited, namely, the angular gyrus and premotor cortex bilaterally.
Interestingly, a decrease in white matter was also found in our OCD patients in two temporo-parietal regions: the right angular gyrus and the right superior temporal gyrus.
Results showed that stimulation to the left angular gyrus resulted in a faster comprehension of meaningful relative to non-meaningful word pairs when compared with both sham and right angular gyrus stimulation.
There were significant positive correlations for activation at the right inferior parietal lobule and the angular gyrus for happy faces, in the left fusiform gyrus and the right posterior insula for sad faces, and in the left parietal lobule for angry faces.
Next-door, the angular gyrus (a gyrus is a "ridge" in the brain) helps to make sense of the words and letters we come across when reading.
The supramarginal gyrus (SM) is therefore, longer than it is tall and the angular gyrus (ANG) is more posterior and inferior.
* The brain pathway for normal reading has also been identified (from visual area to angular gyrus to Wernicke's area to Broca's area), as have the sequences involved in memory storage.
In Geschwind's model the grammatical and lexical representations of language arise in the superior temporal gyrus (Wernicke's area) of the LH, and these representations are transformed via a band of association fibers that course around the sylvian lip through the angular gyrus and into the frontal lobe, terminating in the third frontal convolution of the LH (Broca's Area).
When comparing regions that could better distinguish between physically trained and untrained sequences after training compared to before training, the left angular gyrus (IPC) and right middle frontal gyrus (close to IFS) were the two only regions that could discriminate accurately (i.e., above chance) after training between physically trained and untrained sequences (Figure 5(a) and Table 3(a)).
Described by study authors as the Parietal Memory Network (PMN), the new memory and learning network shows consistent patterns of activation and deactivation in three distinct regions of the parietal cortex in the brain's left hemisphere -- the precuneus, the mid-cingulate cortex and the dorsal angular gyrus.
They found that the 'small world' property of the brain network of patients with schizophrenia was abnormal: (a) compared to normal brains the characteristic path length and the clustering coefficient increased; (b) the nodes in some brain areas had decreased centrality and thinner cortices (especially the left parahippocampal gyrus, inferior temporal gyrus, angular gyrus, and right superior frontal gyrus, which are part of the default network); and (c) the nodes in other brain areas had increased centrality, including nodes in the primary cortex (bilateral precuneous, left precentral gyrus, postcentral gyrus, and right Heschl gyrus) and the paralymbic system (bilateral orbital frontal gyrus, temporal pole, right cingulate tract, and inferior parietal gyrus).
They found that voice-face recognition activated specific "cross-modal" regions of the brain, located in areas known as the left angular gyrus and the right hippocampus.
The right angular gyrus showed no language-related activity in 11 individuals who had attained sign language proficiency as young adults, the researchers report.
(1999) have identified the left angular gyrus as the most probable site of a functional lesion in dyslexia and suggested that greater reliance on this region normally facilitates reading, but impairs reading in dyslexia.
We highlighted a very interesting correlation, yet preliminary and limited by sample size, between the age of onset and the strength of connectivity of regions highly resembling the DMN (i.e., medial prefrontal cortex, precuneus, and bilateral angular gyrus).