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Parietal Lobe

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141. Abnormal activation of the occipital lobes during emotion picture processing in major depressive disorder patients (PubMed)

. Moreover, the consistency for recognizing pictures for depressed patients was worse than normal controls, and they frequently recognized positive pictures as negative pictures. The consistency for recognizing pictures was negatively correlated with the Hamilton Depression Rating Scale. Functional MRI suggested that the activation of some areas in the frontal lobe, temporal lobe, parietal lobe, limbic lobe, and cerebellum was enhanced, but that the activation of some areas in the frontal lobe, parietal (...) lobe and occipital lobe was weakened while the patients were watching positive and neutral pictures compared with normal controls. The activation of some areas in the frontal lobe, temporal lobe, parietal lobe, and limbic lobe was enhanced, but the activation of some areas in the occipital lobe were weakened while the patients were watching the negative pictures compared with normal controls. These findings indicate that patients with major depressive disorder have negative cognitive disorder

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2013 Neural Regeneration Research

142. Structural and functional fractionation of right superior parietal cortex in bistable perception (PubMed)

England Curr Biol 9107782 0960-9822 IM Curr Biol. 2010 Sep 28;20(18):1626-30 20727757 Curr Biol. 2010 Sep 28;20(18):R799-800 20869603 Brain Mapping Humans Parietal Lobe anatomy & histology physiology Photic Stimulation Visual Perception physiology 2011 2 9 6 0 2011 2 9 6 0 2011 7 2 6 0 ppublish 21300270 S0960-9822(10)01595-2 10.1016/j.cub.2010.12.009 PMC3084447 Curr Biol. 2010 Sep 28;20(18):1626-30 20727757 J Neurosci. 2011 Mar 2;31(9):3143-7 21368025 Nat Rev Neurosci. 2002 Apr;3(4):261-70 11967556 (...) Structural and functional fractionation of right superior parietal cortex in bistable perception 21300270 2011 07 01 2018 11 13 1879-0445 21 3 2011 Feb 08 Current biology : CB Curr. Biol. Structural and functional fractionation of right superior parietal cortex in bistable perception. R106-7 10.1016/j.cub.2010.12.009 Kanai Ryota R Carmel David D Bahrami Bahador B Rees Geraint G eng 082334 Wellcome Trust United Kingdom Wellcome Trust United Kingdom Comment Letter Research Support, Non-U.S. Gov't

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2011 Current Biology

143. Overlapping Parietal Activity in Memory and Perception: Evidence for the Attention to Memory Model (PubMed)

Overlapping Parietal Activity in Memory and Perception: Evidence for the Attention to Memory Model The specific role of different parietal regions to episodic retrieval is a topic of intense debate. According to the Attention to Memory (AtoM) model, dorsal parietal cortex (DPC) mediates top-down attention processes guided by retrieval goals, whereas ventral parietal cortex (VPC) mediates bottom-up attention processes captured by the retrieval output or the retrieval cue. This model also (...) activity for memory and perception overlapped in VPC. The DPC overlap was greater in the left intraparietal sulcus, and the VPC overlap in the left TPJ. Around overlapping areas, there were differences in the spatial distribution of memory and perception activations, which were consistent with trends reported in the literature. Second, both DPC and VPC showed stronger connectivity with medial-temporal lobe during the memory task and with visual cortex during the perception task. These findings suggest

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2011 Journal of cognitive neuroscience

144. Timing spatial conflict within the parietal cortex: a TMS study. (PubMed)

Timing spatial conflict within the parietal cortex: a TMS study. Orienting and motor attention are known to recruit different regions within right and left parietal lobes. However, the time course and the role played by these modules when visual information competes for different motor response are still unknown. To deal with this issue, single-pulse TMS was applied over the angular (AG) and the supramarginal (SMG) gyri of both hemispheres at several time intervals during the execution (...) are temporally, functionally, and spatially separated in the posterior parietal cortex, and both contribute to prime motor response during spatial conflict.

2011 Journal of cognitive neuroscience

145. Lower effective connectivity between amygdala and parietal regions in response to fearful faces in schizophrenia. (PubMed)

of the precuneus and parietal lobe, compared to healthy controls. These regions have been associated with emotion processing and high level social cognition tasks involving self related processing and mental representations about other people. The reduced amygdala connectivity in schizophrenia shown here further illuminates the neural basis for the behavioral abnormalities in emotional and social function found in the disorder.Copyright © 2010 Elsevier B.V. All rights reserved. (...) Lower effective connectivity between amygdala and parietal regions in response to fearful faces in schizophrenia. Behavioral abnormalities related to processing negative emotions such as fear have been demonstrated in schizophrenia. The amygdala is strongly associated with fear processing, and alterations in amygdala function and structure have been demonstrated in schizophrenia. Further, functional disconnectivity has been attributed as key to the etiology of schizophrenia, with a number

2011 Schizophrenia Research

146. Feature integration in visual working memory: parietal gamma activity is related to cognitive coordination (PubMed)

Feature integration in visual working memory: parietal gamma activity is related to cognitive coordination The mechanism by which distinct subprocesses in the brain are coordinated is a central conundrum of systems neuroscience. The parietal lobe is thought to play a key role in visual feature integration, and oscillatory activity in the gamma frequency range has been associated with perception of coherent objects and other tasks requiring neural coordination. Here, we examined the neural (...) correlates of integrating mental representations in working memory and hypothesized that parietal gamma activity would be related to the success of cognitive coordination. Working memory is a classic example of a cognitive operation that requires the coordinated processing of different types of information and the contribution of multiple cognitive domains. Using magnetoencephalography (MEG), we report parietal activity in the high gamma (80-100 Hz) range during manipulation of visual and spatial

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2011 Journal of neurophysiology

147. Pedunculated parietal pleural lesion: a rare presentation of bronchogenic cyst. (PubMed)

Pedunculated parietal pleural lesion: a rare presentation of bronchogenic cyst. We present a 35-year-old man with a preoperative diagnosis of a right lower lobe cystic mass. Misled by a radiological suggestion of an intraparenchymal lesion, he had a thoracotomy and right lower lobectomy. An intraoperative finding of a pedunculated cyst arising from the parietal pleural with subsequent histopathology confirmation of a benign bronchogenic cyst, however, would have made a less invasive surgical

2011 Annals of Thoracic Surgery

148. Global hemianaesthesia: a parietal perceptual distortion suggesting non-organic illness. (PubMed)

Global hemianaesthesia: a parietal perceptual distortion suggesting non-organic illness. In two patients, lesions in the non-dominant parietal lobe were associated with global anaesthesia to all sensory modalities affecting the opposite half of the body. A striking inconsistency existed between the complaints of limb anaesthesia and the grossly preserved motor and postural control of the involved limb. The gross discrepancy between complaint and functional ability prompted early consideration (...) of a "non-organic" diagnosis. It is suggested that this unusual sensory deficit may be due to distorted perception of somatosensory stimuli, representing another disorder of body schema associated with parietal lobe lesions. The diagnosis of non-organic illness may then be avoided by focusing on a search for parietal disease.

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1978 Journal of neurology, neurosurgery, and psychiatry

149. Changes in tactile discrimination and in visual reaching after successive and simultaneous bilateral posterior parietal ablations in the monkey (PubMed)

Neurosurg Psychiatry 2985191R 0022-3050 OM Animals Haplorhini Humans Parietal Lobe physiology Touch physiology Vision, Ocular Visual Perception physiology PARIETAL LOBE/physiology TOUCH/physiology VISUAL PERCEPTION/physiology 1962 8 1 1962 8 1 0 1 1962 8 1 0 0 ppublish 13890917 PMC495452 Arch Neurol. 1960 Aug;3:177-92 13797497 Brain. 1959 Jun;82:232-50 13820931 Res Publ Assoc Res Nerv Ment Dis. 1958;36:35-117 13527782 Br J Ophthalmol. 1918 Oct;2(10):506-16 18167823 (...) Changes in tactile discrimination and in visual reaching after successive and simultaneous bilateral posterior parietal ablations in the monkey 13890917 1998 11 01 2018 12 01 0022-3050 25 1962 Aug Journal of neurology, neurosurgery, and psychiatry J. Neurol. Neurosurg. Psychiatry Changes in tactile discrimination and in visual reaching after successive and simultaneous bilateral posterior parietal ablations in the monkey. 256-68 ETTLINGER G G KALSBECK J E JE eng Journal Article England J Neurol

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1962 Journal of neurology, neurosurgery, and psychiatry

150. Psychiatric Symptoms and Parietal Disease: Differential Diagnosis (PubMed)

Psychiatric Symptoms and Parietal Disease: Differential Diagnosis 14168862 1996 12 01 2018 12 01 0035-9157 57 1964 May Proceedings of the Royal Society of Medicine Proc. R. Soc. Med. PSYCHIATRIC SYMPTOMS AND PARIETAL DISEASE: DIFFERENTIAL DIAGNOSIS. 428 FALCONER M A MA eng Journal Article England Proc R Soc Med 7505890 0035-9157 OM Agnosia Apraxias Brain Diseases Diagnosis Diagnosis, Differential Epilepsy Humans Memory Parietal Lobe Visual Fields AGNOSIA APRAXIA BRAIN DISEASES DIAGNOSIS (...) EPILEPSY MEMORY PARIETAL LOBE VISUAL FIELDS 1964 5 1 1964 5 1 0 1 1964 5 1 0 0 ppublish 14168862 PMC1897971

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1964 Proceedings of the Royal Society of Medicine

151. Psychiatric Symptoms and Parietal Disease: Differential Diagnosis (PubMed)

Psychiatric Symptoms and Parietal Disease: Differential Diagnosis 14168861 1996 12 01 2018 12 01 0035-9157 57 1964 May Proceedings of the Royal Society of Medicine Proc. R. Soc. Med. PSYCHIATRIC SYMPTOMS AND PARIETAL DISEASE: DIFFERENTIAL DIAGNOSIS. 422-8 CRITCHLEY M M eng Journal Article England Proc R Soc Med 7505890 0035-9157 OM Brain Diseases Conversion Disorder Diagnosis, Differential Geriatrics Humans Hysteria Parietal Lobe Pathology Schizophrenia BRAIN DISEASES DIAGNOSIS, DIFFERENTIAL (...) GERIATRICS HYSTERIA PARIETAL LOBE PATHOLOGY SCHIZOPHRENIA 1964 5 1 1964 5 1 0 1 1964 5 1 0 0 ppublish 14168861 PMC1898007 AMA Arch Neurol Psychiatry. 1950 Dec;64(6):772-91 14782749 J Ment Sci. 1953 Jan;99(414):130-6 13023375

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1964 Proceedings of the Royal Society of Medicine

152. True Memory, False Memory, and Subjective Recollection Deficits after Focal Parietal Lobe Lesions (PubMed)

True Memory, False Memory, and Subjective Recollection Deficits after Focal Parietal Lobe Lesions There is mounting evidence that the posterior parietal cortex (PPC) plays an important role in episodic memory. We previously found that patients with PPC damage exhibit retrieval-related episodic memory deficits. Here we assess whether parietal lobe damage affects episodic memory on a different task: the Deese-Roediger-McDermott (DRM) false-memory paradigm.Two patients with bilateral PPC damage (...) of recollection, as tested by a Remember/Know procedure.PPC damage causes decreased levels of false memories and an abnormal Remember/Know profile. Their false memory rate is similar to the rate exhibited by patients with medial temporal lobe damage. These results support the view that portions of the PPC play a critical role in objective and subjective aspects of recollection.

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2010 Neuropsychology

153. Attention, Intention, and Priority in the Parietal Lobe (PubMed)

Attention, Intention, and Priority in the Parietal Lobe For many years there has been a debate about the role of the parietal lobe in the generation of behavior. Does it generate movement plans (intention) or choose objects in the environment for further processing? To answer this, we focus on the lateral intraparietal area (LIP), an area that has been shown to play independent roles in target selection for saccades and the generation of visual attention. Based on results from a variety

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2010 Annual review of neuroscience

154. Brain structure and aging in chronic temporal lobe epilepsy. (PubMed)

of cortical gray matter thickness, area, or volume in temporal (medial, lateral) and extratemporal lobes (frontal, parietal). Increasing chronologic age was associated with progressive changes in diverse cortical, subcortical, and cerebellar regions for both participants with epilepsy and controls. Age-accelerated changes in epilepsy participants were seen in selected areas (third and lateral ventricles), with largely comparable patterns of age-related change across other regions of interest.Extensive (...) Brain structure and aging in chronic temporal lobe epilepsy. To characterize differences in brain structure and their patterns of age-related change in individuals with chronic childhood/adolescent onset temporal lobe epilepsy compared with healthy controls.Subjects included participants with chronic temporal lobe epilepsy (n = 55) of mean childhood/adolescent onset and healthy controls (n = 53), age 14-60 years. Brain magnetic resonance imaging (MRI) studies (1.5 T) were processed using

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2012 Epilepsia

155. Psychopathology in children before and after surgery for extratemporal lobe epilepsy. (PubMed)

Psychopathology in children before and after surgery for extratemporal lobe epilepsy. To establish the rates and types of psychiatric disorder in children before and after surgery for extratemporal epilepsy. Relationships between psychiatric morbidity and demographic/clinical variables were examined.A retrospective case note review of 71 children undergoing extratemporal focal resection for drug resistant epilepsy in a specialist epilepsy surgery programme between 1997 and 2008. Psychiatric (...) diagnoses were derived from pre- and postoperative assessments according to DSM-IV criteria.Seventy-one children (38 males, 33 females) were eligible for this study. Mean age (SD) at surgery was 9 (5) years. Frontal resections were performed in 73% of the children, parietal in 17%, and occipital in 10%. Mental health problems were present in 37 of 71 (52%) children pre- and/or postoperatively. A similar proportion of children had psychiatric diagnoses pre- and postoperatively: 31 of 71 (44%) and 32

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2012 Developmental Medicine and Child Neurology

156. Spectral and spatial shifts of post-ictal slow waves in temporal lobe seizures. (PubMed)

. These results revealed that a widespread cortical network including temporal and fronto-parietal cortex is involved in abnormal slow-wave activity following temporal lobe seizures. The differential spectral and spatial shifts of post-ictal electroencephalography activity in simple partial, complex partial and secondarily generalized seizures suggest a possible connection between cortical slow waves and behavioural and cognitive changes in a human epilepsy model. (...) Spectral and spatial shifts of post-ictal slow waves in temporal lobe seizures. Temporal lobe seizures have a significant chance to induce impairment of normal brain functions. Even after the termination of ictal discharges, during the post-ictal period, loss of consciousness, decreased responsiveness or other cognitive dysfunctions can persist. Previous studies have found various anatomical and functional abnormalities accompanying temporal lobe seizures, including an abnormal elevation

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2012 Brain

157. Interhemispheric temporal lobe connectivity predicts language impairment in adolescents born preterm. (PubMed)

with bilateral volume reductions in the ventral language pathway. However, the most significant volume reduction was detected in the posterior corpus callosum (splenium), which contains interhemispheric connections between the occipital, parietal and temporal lobes. Diffusion tractography showed that of the three groups of interhemispheric fibres within the splenium, only those connecting the temporal lobes were reduced. Crucially, we found that language impairment was only detectable if the anterior (...) Interhemispheric temporal lobe connectivity predicts language impairment in adolescents born preterm. Although language difficulties are common in children born prematurely, robust neuroanatomical correlates of these impairments remain to be established. This study investigated whether the greater prevalence of language problems in preterm (versus term-born) children might reflect injury to major intra- or interhemispheric white matter pathways connecting frontal and temporal language regions

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2012 Brain

158. Facilitating Associative Memory Via Deep Transcranial Magnetic Stimulation to the Medial Temporal Lobe

Facilitating Associative Memory Via Deep Transcranial Magnetic Stimulation to the Medial Temporal Lobe Facilitating Associative Memory Via Deep Transcranial Magnetic Stimulation to the Medial Temporal Lobe - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please (...) remove one or more studies before adding more. Facilitating Associative Memory Via Deep Transcranial Magnetic Stimulation to the Medial Temporal Lobe The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT01599208 Recruitment Status : Withdrawn (no IRB) First Posted : May 15, 2012 Last Update Posted

2012 Clinical Trials

159. New MRI markers for Alzheimer's disease: a meta-analysis of diffusion tensor imaging and a comparison with medial temporal lobe measurements. (PubMed)

with higher ES in the frontal, parietal, occipital and temporal lobe. (...) New MRI markers for Alzheimer's disease: a meta-analysis of diffusion tensor imaging and a comparison with medial temporal lobe measurements. The aim of the present study is to evaluate the diagnostic value of diffusion tensor imaging (DTI) for early Alzheimer's disease (AD) in comparison to widely accepted medial temporal lobe (MTL) atrophy measurements. A systematic literature research was performed into DTI and MTL atrophy in AD and mild cognitive impairment (MCI). We included seventy-six

2012 Journal of Alzheimer's disease : JAD

160. Changes in the default mode network in the prefrontal lobe, posterior cingulated cortex and hippocampus of heroin users (PubMed)

Changes in the default mode network in the prefrontal lobe, posterior cingulated cortex and hippocampus of heroin users The default mode network is associated with senior cognitive functions in humans. In this study, we performed independent component analysis of blood oxygenation signals from 14 heroin users and 13 matched normal controls in the resting state through functional MRI scans. Results showed that the default mode network was significantly activated in the prefrontal lobe, posterior (...) cingulated cortex and hippocampus of heroin users, and an enhanced activation signal was observed in the right inferior parietal lobule (P < 0.05, corrected for false discovery rate). Experimental findings indicate that the default mode network is altered in heroin users.

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2012 Neural Regeneration Research

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