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Topic: Anterior cingulate gyrus


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In the News (Fri 24 May 19)

  
 Central Processing of Rectal Pain: A Functional MR Imaging Study -- Baciu et al. 20 (10): 1920 -- American Journal of Neuroradiology
The functional responses within the insulae, anterior cingulate gyrus, and prefrontal cortex are delineated in red, dark blue, and light blue, respectively.
Typical functional responses obtained for rectal pain within the anterior cingulate gyrus and within the left and right insulae.
The anterior cingulate gyrus forms part of the medial pain system,
www.ajnr.org /cgi/content/full/20/10/1920   (2826 words)

  
 v6i3a4
The anterior cingulate gyrus, one of the largest parts of the limbic lobe (Brodal, 1981), forms a large region around the rostrum of the corpus collosum that is termed the anterior executive region.
What is becoming clearer, however, is that the anterior portion of the cingulate gyrus is too large and complex a structure to be discussed as a whole, and needs to be better understood with respect to its specific, areas.
It would appear, then, that the anterior areas of the cingulate gyrus are involved in the generation of multi-varied levels of affect.
www.fsu.edu /~trauma/v6i3/v6i3a4.html   (7425 words)

  
 Local and Distributed Effects of Apomorphine on Fronto-Temporal Function in Acute Unmedicated Schizophrenia -- Fletcher et al. 16 (21): 7055 -- Journal of Neuroscience
4) indicates that the anterior cingulate cortex functions abnormally in the context of the verbal fluency task and that this area is hyper-responsive to a dopaminergic perturbation.
A failure of cognitive task-related activation in the anterior cingulate cortex in the schizophrenic patients, and the modulation of this dysfunction by a dopaminergic perturbation, suggested a segregated abnormality.
Although the failure of anterior cingulate activation is highlighted in the present study, the absence of a prefrontal abnormality must be seen in the context of data indicating abnormalities in prefrontal cortex structure (Selemon et al., 1995
www.jneurosci.org /cgi/content/full/16/21/7055   (6064 words)

  
 McCarley: Archives of General Psychiatry, Volume 50(3).March , 1993.190-198
The boundaries of the cingulate gyrus ROI were the first appearance of the gray matter of the gyrus (the cingulate genu) on anterior coronal sections and, posteriorly, the end of the cingulate sulcus (the subcallosal cingulate was not included in this volume measurement).
The anterior and posterior boundaries of the superior frontal gyrus ROI were from the onset of the frontal lobe to the first appearance of crossing fibers of the anterior commissure, an objective landmark ensuring that only prefrontal gray matter was included.
The prefrontal and cingulate gray matter regions were selected as nontemporal lobe contrast regions because they were objectively definable regions that had been implicated in schizophrenic abnormalities [36-39].
splweb.bwh.harvard.edu:8000 /pages/papers/mccarley/schiz93/mccarley.html   (6277 words)

  
 Schizophrenia and the frontal lobes: Post-mortem stereological study of tissue volume -- HIGHLEY et al. 178 (4): 337 -- The British Journal of Psychiatry
the frontal lobe or of the anterior cingulate gyrus.
Morphology of the Anterior Cingulate Gyrus in Patients With Schizophrenia: Relationship to Typical Neuroleptic Exposure
Noga, J.T., Aylward, E., Barta, P.E., et al (1995) Cingulate gyrus in schizophrenic patients and normal volunteers.
bjp.rcpsych.org /cgi/content/full/178/4/337   (3842 words)

  
 External Surface of Cerebrum - MEDSTUDENTS - NEUROANATOMY
The parahippocampal gyrus which is the anterior continuation of the occipitotemporal medial gyrus and of the isthmus of the cingulate gyrus is delimited laterally by the collateral sulcus and medialy by the hippocampal sulcus.
The limbic lobe is formed by the cingulat*e and parahippocampal gyri, the isthmus of the cingulate gyrus and several additional structures, as the dentate gyrus, amygdaloid body, hypothalamus, septal area, and anterior nuclei of the thalamus.
The cingulate gyrus is continues with the isthmus of cingulate gyrus behind the splenium, and this is continues with the parahippocampal gyrus.
www.medstudents.com.br /basic/neuran/neuran3.htm   (2156 words)

  
 Glossary of brain regions
The anterior cingulate is a defined area of the cerebral cortex including parts of both the cingulate gyrus and the frontal lobe.
A recent study has also revealed that emotional stimuli and attentional functions are integrated in a specific part of the prefrontal cortex - the anterior cingulate (located between the right and left halves).
anterior medial prefrontal and posterior cingulate: gyri (folds) in the limbic lobe; implicated in self-reflective thought (thinking about yourself and your attributes).
www.memory-key.com /MemoryGuide/glossary_brain.htm#planum   (3746 words)

  
 2243.html
The location of the findings in the current study was in the middle region of the cingulate gyrus (BA 24, 23, & 31), which differs from the location in the anterior cingulate (BA 24) in the Mayberg study.
Mayberg and colleagues previously found that metabolism in the anterior cingulate gyrus differed for subjects whose depression did or did not remit.
Hypometabolism in the anterior cingulate may be related to poor prognosis, but more subtle variation within responders may be reflected in cingulate function that is somewhat more posterior.
www.neurologie.uni-duesseldorf.de /HBM99/cd/sensor/2243.html   (517 words)

  
 cingulat
The anterior cingulate gyrus communicates between the prefrontal cortex and subcortical areas of the limbic system; bilateral destruction ".
The cingulate gyrus is less tied to smell than is any other part of the limbic system, according to Paul MacLean, and has no counterpart in the reptilian brain.
"It is of interest that stimulation and ablation of the cingulate gyrus result in a diverse range of emotional experiences corresponding to those described.
members.aol.com /nonverbal3/cingulat.htm   (550 words)

  
 Functional MR Imaging of Regional Brain Activation Associated with the Affective Experience of Pain -- Fulbright et al. 177 (5): 1205 -- American Journal of Roentgenology
the importance of the anterior cingulate gyrus in the affective
Activation during pain task is depicted in anterior cingulate gyrus (arrows) and superior frontal gyri (arrowhead); z-axis slice location is 40.
to limbic structures, especially the anterior cingulate gyrus [32,33,34].
www.ajronline.org /cgi/content/full/177/5/1205   (4598 words)

  
 The cingulate hidden hand -- KREMER et al. 70 (2): 264 -- Journal of Neurology, Neurosurgery, and Psychiatry
patients when stimulating the anterior cingulate gyrus proper,
The anterior cingulate cortex lesion of the case of Turken and Swick
Studies on primates, and increasing evidences in humans, support the notion that the anterior cingulate cortex, which subserves
jnnp.bmjjournals.com /cgi/content/full/70/2/264   (908 words)

  
 Compulsive hoarding study could improve diagnosis and treatment of psychiatric disorders
The study also found a correlation between severity of hoarding symptoms and lower brain activity in the anterior cingulate gyrus across all of the study subjects with OCD.
The study identified lower brain activity in the anterior cingulate gyrus of compulsive hoarders, compared with other OCD patients.
The posterior cingulate gyrus is involved in spatial orientation and memory.
www.news-medical.net /?id=2142   (947 words)

  
 Cingulate cortex - Wikipedia, the free encyclopedia
Anterior cingulate cortex can further be divided in the perigenual anterior cingulate cortex and midcingulate cortex.
The cingulate cortex is part of the brain and situated roughly in the middle of the cortex.
Four Regions of Cingulate Cortex and Disease Vulnerability, Brent A. Vogt.
en.wikipedia.org /wiki/Cingulate_cortex   (340 words)

  
 Surface Curve Protocol
The precuneus is bordered by the marginal ramus of the cingulate sulcus anteriorally and the parieto-occipital sulcus posteriorally.
The marginal ramus of the cingulate sulcus defines the posterior border of the paracentral lobule, a medial region of the cerebrum that spans from the precentral to postcentral gyrus.
The cingulate may be continuous or interrupted; in either case, the ending point of the anterior segment is the same.
www.loni.ucla.edu /~khayashi/Public/medial_surface   (2672 words)

  
 Cingulate.html
As noted, over the course of evolution the anterior cingulate appears to have contributed to the evolution of the frontal motor-speech areas, whereas the auditory areas in the superior temporal lobe appear to be evolutionary derivatives of as well as richly interconnected with the amygdala (Joseph, 1999e).
The anterior cingulate is thus responsible for producing complex emotional-prosodic vocalizations, including, perhaps, the prosodic variations which mothers employ when speaking to their babies and vice versa; i.e.
However, the posterior cingulate may also be involved in visual-spatial and memory-cognitive activities, particularly as relates to the body and movement -hence the interconnections with the superior parietal lobe and the parahippocampal gyrus.
www.brainmind.com /Cingulate.html   (6027 words)

  
 Decision-making in mania: a PET study -- Rubinsztein et al. 124 (12): 2550 -- Brain
gyrus, the dorsal anterior cingulate and the cerebellum and
Overactivation of the dorsal anterior cingulate cortex (BA 32)
The role of the cingulate gyrus in depression: from functional anatomy to neurochemistry.
brain.oxfordjournals.org /cgi/content/full/124/12/2550   (6488 words)

  
 br-800epi.htm
The paraterminal gyrus is wedged between the septal nuclei and the anterior commissure.
The mechanism of disease is not known but it manifests as an encephalitis that primarily involves the hippocampus, amygdala, cingulate gyrus, insula, and orbital-frontal cortex.
Another theory is that anxiety disorders result from failure of the anterior cingulate and hippocampus to modulate the activity of the amygdala.
spinwarp.ucsd.edu /neuroweb/Text/br-800epi.htm   (2797 words)

  
 Neuropharmacology of Language and Language Evolution
The anterior cingulate gyrus, which sends efferents directly onto the PAG central gray, appears to influence the initiation and voluntary control of vocalization.
The anterior cingulate gyrus receives efferents from the dopamine-rich supplementary motor area in the cortex.
Patients with bilateral lesions within the cingulate area often undergo a period of mutism followed by slow recovery during which speech is aprosodic and initiation of speech is rare.
www.bumc.bu.edu /Dept/Content.aspx?DepartmentID=481&PageID=9975   (361 words)

  
 [CARD] - Cingulate Gyrus
In some cases of autism, the anterior cingulate gyrus has been found to be significantly smaller in volume and less metabolically active.
This has been most pronounced in the superior and posterior regions of the anterior cingulate gyrus.
When there are deficiencies in serotonin (as is sometimes the case with autism), the Cingulate Gyrus becomes overactive.
www.centerforautism.com /biological/nervoussystem/gyrus.asp   (139 words)

  
 WOROI: 5 - Posterior cingulate gyrus
Cortically, rCBF increased in the left anterior and posterior cingulate gyrus, the left primary somatosensory cortex, the left premotor cortex and bilaterally in parietal areas
In the 46 degrees C experiment, positive signal changes were found in the frontal gyri, anterior and posterior cingulate gyrus, thalamus, motor cortex, somatosensory cortex (SI and SII), supplementary motor area, insula, and cerebellum
Specifically, recall of previously memorized words from temporal cues was associated with activity in the basal forebrain, right middle frontal gyrus, right superior temporal gyrus, and posterior cingulate gyrus, whereas their recall from person cues was associated with activity in the left insula, right middle frontal gyrus, and posterior cingulate gyrus
hendrix.ei.dtu.dk /services/jerne/brede/WOROI_5.html   (369 words)

  
 Neurobiology of Hoarders Differs From Other OCDs... 6/1/2004
The study also found a correlation between severity of hoarding symptoms and lower brain activity in the anterior cingulate gyrus across all of the study subjects with OCD.
The study identified lower brain activity in the anterior cingulate gyrus of compulsive hoarders, compared with other OCD patients.
The posterior cingulate gyrus is involved in spatial orientation and memory.
www.newsroom.ucla.edu /page.asp?RelNum=5218   (991 words)

  
 ICP monitors
• The anterior cingulate cortex (ACC) receives a substantial number of inputs from the intralaminar thalamic nuclei, which are the chief targets of the spinoreticulothalamic tracts.
Ventral amygdalofugal pathways orignate from basolateral amygdala and extends to anterior perforated substance, peroptic area, septal area, thalamus, hypthalamus, parahippocampal gyrus, and brainstem reticular formation via the medial forebrain bundle.
It is continuous with the claustrum and the cortex of the parahippocampal gyrus.
www.ucsf.edu /nreview/02.1-Anatomy-Brain&SC/LimbicSystem.html   (1295 words)

  
 Phoenix_anti's Xanga Site
The Frontal Lobe (associated with reasoning, planning, parts of speech, movement, emotions, and problem solving) works fine (to an extent, considering that the cingulate gyrus and the anterior commissure are missing), because the anterior body of the corpus callosum is intact.
The CINGULATE GYRUS is a prominent gyrus on the medial aspect of the hemisphere, lying just superior to the corpus callosum and forms an important part of the limbic system.
The cingulate gyrus plays an excitatory role in emotions and in motivated behavior in general.
www.xanga.com /Phoenix_anti   (2097 words)

  
 Cingulate gyrus - Wikipedia, the free encyclopedia
The cingulate gyrus receives inputs from the anterior nucleus of the thalamus and the neocortex, as well as from somatosensory areas of the cerebral cortex.
Cingulate gyrus is a gyrus in the medial part of the brain.
The cortical part of the cingulate gyrus is referred to as cingulate cortex.
en.wikipedia.org /wiki/Cingulate_gyrus   (131 words)

  
 Medial Lines Protocol
The precuneus is bordered by the marginal ramus of the cingulate sulcus anteriorally and the parieto-occipital sulcus posteriorally.
The marginal ramus of the cingulate sulcus defines the posterior border of the paracentral lobule, a medial region of the cerebrum that spans from the precentral to postcentral gyrus.
It is easier to visualize it as the anterior segment of three that constitute a Y, with the remaining segments composed by the posterior calcarine (posterior segment of Y) and anterior calcarine (stem or inferior segment of Y).
www.loni.ucla.edu /~esowell/edevel/MedialLinesProtocol.htm   (3109 words)

  
 Neural correlates of the emergence of consciousness of thirst -- Egan et al. 100 (25): 15241 -- Proceedings of the National Academy of Sciences
(a) Anterior cingulate cortex and hypothalamus for subject 1.
the angular gyrus (BA 39), bilaterally, and the parietal lobe,
in the parahippocampal gyri (BA 28/30/36), precentral gyrus
www.pnas.org /cgi/content/full/100/25/15241   (3973 words)

  
 LONI: LONI Resource Downloads Protocols Masking Regions of Interest Cingulate
The cingulate gyrus is distinct from the frontal, parietal, occipital and temporal lobes.
Trace the entire lower cingulated sulcus toward the interhemispheric fissure and trace the interhemispheric fissure to connect the two portions of the cingulate sulcus.
Trace the cingulated sulcus’ lower portion to the lower boundary of the corpus callosum.
www.loni.ucla.edu /NCRR/Downloads/Protocols/MaskingRegions_8.html   (563 words)

  
 Anterior Cingulate Activation During Stroop Task Performance: A PET to MRI Coregistration Study of Individual Patients With Schizophrenia -- Yücel et al. 159 (2): 251 -- American Journal of Psychiatry
Morphology of the Anterior Cingulate Gyrus in Patients With Schizophrenia: Relationship to Typical Neuroleptic Exposure
paralimbic region of the anterior cingulate is activated.
Parasagittal views of the left and right hemispheres show anterior cingulate morphological characteristics; the cingulate sulcus is highlighted in green, and the paracingulate sulcus is highlighted in red.
ajp.psychiatryonline.org /cgi/content/full/159/2/251   (1784 words)

  
 Cortical correlates of vestibulo-ocular reflex modulation: a PET study -- Naito et al. 126 (7): 1562 -- Brain
in the anterior insula, cingulate gyrus, inferior parietal lobule
temporal gyrus (BA 20), pyramis of the cerebellar vermis, and
fusiform gyrus, lingual gyrus, and cerebellar vermis and hemisphere.
brain.oxfordjournals.org /cgi/content/full/126/7/1562   (7684 words)

  
 Activation of the Anterior Cingulate Gyrus by 'Green Odor': A Positron Emission Tomography Study in the Monkey -- Sasabe et al. 28 (7): 565 -- Chemical Senses
Activation of the Anterior Cingulate Gyrus by 'Green Odor': A Positron Emission Tomography Study in the Monkey -- Sasabe et al.
Quantitative analysis of rCBF increase in the prepyriform area and anterior cingulate gyrus
claustrum, anterior cingulate gyrus and visual cortex, are
chemse.oxfordjournals.org /cgi/content/full/28/7/565   (3842 words)

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