gyrus

(redirected from Superior frontal gyrus)
Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to Superior frontal gyrus: frontal sulcus, Middle frontal gyrus

gy·rus

 (jī′rəs)
n. pl. gy·ri (-rī′)
A rounded ridge, as on the surfaces of the cerebral hemispheres.

[Latin gȳrus, circle; see gyre.]

gyrus

(ˈdʒaɪrəs)
n, pl gyri (ˈdʒaɪraɪ)
another name for convolution3
[C19: from Latin; see gyre]

gy•rus

(ˈdʒaɪ rəs)

n., pl. gy•ri (ˈdʒaɪ raɪ)
a convoluted fold of the brain.
[1835–45; < Latin gȳrus; see gyre]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gyrus - a convex fold or elevation in the surface of the brain
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
frontal gyrus - any of the convolutions of the outer surface of the frontal lobe of the cerebrum
temporal gyrus - any of the convolutions of the outer surface of the temporal lobe of the cerebrum
parietal gyrus - any of the convolutions of the outer surface of the parietal lobe of the cerebrum
occipital gyrus - any of the convolutions of the outer surface of the occipital lobe of the cerebrum
cerebrum - anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans
central gyrus - either of two gyri on either side of the central sulcus
Translations

gy·rus

n. L. circunvolución, porción elevada de la corteza cerebral;
Broca's ______ de Broca, tercera, frontal inferior;
frontal, superior ______ frontal superior;
inferior, lateral occipital ______ occipital inferior lateral;
superior occipital ______ occipital superior.
References in periodicals archive ?
Moreover, all three groups activated the bilateral (anterior) insula and the superior frontal gyrus, which have been shown, in past fMRI studies using the BART, to be activated during the Inflation event [29, 36].
According to Figure 4, the regions corresponding to the component IC3 included left inferior and superior frontal gyrus (AAL 15 and AAL 16), the left medial part of superior frontal gyrus (AAL 23), the left medial orbital part of superior frontal gyrus (AAL 25), the right insula (AAL 30), the left anterior cingulate (AAL 31), the left median cingulate, and paracingulate gyri (AAL 33), and bilateral superior temporal gyri (AAL 83 and AAL 84).
T Z p (unc) X 7 z Label 3.72 3.22 <0.001 4 -88 6 Cuneus BA18 (R) 5.21 4.13 <0.0001 2 56 -6 Medial frontal gyrus (R) 5.00 4.01 <0.0001 60 -60 26 Superior temporal gyrus (R) 4.66 3.82 <0.0001 24 -34 72 Postcentral gyrus (R) 3.74 3.24 <0.001 44 -34 58 3.60 3.14 <0.001 22 -4 66 Superior frontal gyrus (R) 4.51 3.73 <0.0001 4 26 50 Superior frontal gyrus, frontal sup medial (R) 4.22 3.55 <0.001 -42 32 -2 Left inferior frontal gyrus (L) 4.15 3.49 <0.001 10 -76 -28 Cerebellum crus1 (R)
In the Seed-to-Voxel analysis, the AIPS revealed lower connectivity in the premotor and primary somatosensory cortices, the superior frontal gyrus, and the lateral occipital cortex in the patients compared to controls (Figures 9 and 10).
The MR images revealed extra-axial cystic encephalomalacic changes located on the right superior frontal gyrus (Figures 1 and 2) and abutting the right lateral ventricle frontal horn, including a dominant large unilocular cystic component roughly measuring 4 x 3 x 2.3 cm in maximum dimensions.
Structural MRI revealed disease-related reductions in cortical thickness in the same regions: the inferior frontal cortex, anterior cingulate cortex, and superior frontal gyrus. Activation of the anterior cingulate cortex correlated with cortical thickness.
Near the superior frontal gyrus, these arteries anastomose with branches from the pericallosal artery of the anterior cerebral artery.
Spontaneous activity associated with delusions of schizophrenia in the left medial superior frontal gyrus: A resting-state fMRI study.
In the first-level analyses of each subject, patients and controls showed similar activations in the bilateral parietal lobe, premotor cortex, superior frontal gyrus, and cerebellum.
The researchers found that the delivery of repeated TMS to the superior frontal gyrus at high frequency (10 Hz) increased craving for cigarettes.
The independent samples t-test revealed that recent users had greater SWM response than abstinent users in the following regions: a large cluster spanning medial bilateral cingulate, medial frontal gyrus, and left superior and middle frontal gyri (Brodmann's area [BA] 8); medial bilateral superior frontal gyrus (BA 6/8); left insula and precentral gyrus (BA 13); and right insula and inferior frontal gyrus (BA 13; see Table 3 and Figure 3).
Memorization: Areas of activation were observed in the medial frontal gyrus (BA10), the superior frontal gyrus (BA8) of the left hemisphere, the inferior frontal gyrusa(BA47), the superior temporal gyrus (BA22) and the medial tenporal gyrus (BA21).

Full browser ?