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Parietal Lobe

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61. Morbidity profile following aggressive resection of parietal lobe gliomas. (PubMed)

Morbidity profile following aggressive resection of parietal lobe gliomas. The impact of parietal lobe gliomas is typically studied in the context of parietal lobe syndromes. However, critical language pathways traverse the parietal lobe and are susceptible during tumor resection. The authors of this study reviewed their experience with parietal gliomas to characterize the impact of resection and the morbidity associated with language.The study population included adults who had undergone (...) an appreciable parietal lobe syndrome. The median preoperative tumor volume was 31.3 cm(3), the median extent of resection was 96%, and the median postoperative tumor volume was 0.9 cm(3). Surprisingly, the most common early postoperative neurological deficit was dysphasia (16 patients), not weakness (12 patients), sensory deficits (14 patients), or parietal lobe syndrome (10 patients). A proposed parietal glioma classification system, based on surgical anatomy, was predictive of language deficits.This

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2012 Journal of Neurosurgery

62. Functional integration of parietal lobe activity in early Alzheimer disease. (PubMed)

Functional integration of parietal lobe activity in early Alzheimer disease. Parietal lobe dysfunction is an important characteristic of early Alzheimer disease (AD). Functional studies have shown conflicting parietal activation patterns indicative of either compensatory or dysfunctional mechanisms. This study aimed at examining activation differences in early AD using a visuospatial task. We focused on functional characteristics of the parietal lobe and examined compensation or disconnection (...) was observed in patients with aMCI. The parametric modulation, which identifies regions associated with increasing angle, confirmed these results. The GCM showed increased connectivity within the parietal lobe and between parietal and temporal regions in patients with aMCI. Decreased connectivity was found between the inferior parietal lobule and posterior cingulate gyrus. Connectivity patterns correlated with memory performance scores in patients with aMCI.Our results demonstrate increased effective

2012 Neurology

63. Cortical thickness, neuron density and size in the inferior parietal lobe in schizophrenia. (PubMed)

Cortical thickness, neuron density and size in the inferior parietal lobe in schizophrenia. The inferior parietal lobe (IPL) is a center of multisensory integration, and both functional and structural MRI studies have found evidence that pathology in this region may contribute to disrupted sensory perception in schizophrenia. To further define this pathology, we used postmortem samples from the left and right IPL, to compare the thickness and volume of the upper (I-III) and lower (IV-VI

2012 Schizophrenia Research

64. Parietal lobe volume deficits in adolescents with schizophrenia and adolescents with cannabis use disorders. (PubMed)

Parietal lobe volume deficits in adolescents with schizophrenia and adolescents with cannabis use disorders. In early-onset schizophrenia (EOS), the earliest structural brain volumetric abnormalities appear in the parietal cortices. Early exposure to cannabis may represent an environmental risk factor for developing schizophrenia. This study characterized cerebral cortical gray matter structure in adolescents in regions of interest (ROIs) that have been implicated in EOS and cannabis use (...) preliminary data indicate that the presence of a CUD may moderate the relationship between EOS and cerebral cortical gray matter structure in the left superior parietal lobe. Future research will follow this cohort over adolescence to further examine the impact of cannabis use on neurodevelopment.

2012 Journal of the American Academy of Child and Adolescent Psychiatry

65. Amyloid burden and metabolic function in early-onset Alzheimer's disease: parietal lobe involvement. (PubMed)

Amyloid burden and metabolic function in early-onset Alzheimer's disease: parietal lobe involvement. Alzheimer's disease with early onset often presents with a distinct cognitive profile, potentially reflecting a different distribution of underlying neuropathology. The purpose of this study was to examine the relationships between age and both in vivo fibrillary amyloid deposition and glucose metabolism in patients with Alzheimer's disease. Dynamic [(11)C]Pittsburgh compound-B (90 min (...) but may originate from distinctive distributions of early upstream events. As such, increased amyloid burden, together with metabolic dysfunction, in the parietal lobe of younger patients with Alzheimer's disease may contribute to the distinct cognitive profile in these patients.

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2012 Brain

66. The role of left superior parietal lobe in male sexual behavior: dynamics of distinct components revealed by FMRI. (PubMed)

The role of left superior parietal lobe in male sexual behavior: dynamics of distinct components revealed by FMRI. Despite the interest for the brain correlates of male sexual arousal, few studies investigated neural mechanisms underlying psychogenic erectile dysfunction (ED). Although these studies showed several brain regions active in ED patients during visual erotic stimulation, the dynamics of inhibition of sexual response is still unclear.This study investigated the dynamics of brain (...) stimuli, a larger activation was observed for the patient group in the left superior parietal lobe, ventromedial prefrontal cortex, and posterior cingulate cortex, whereas the control group showed larger activation in the right middle insula and dorsal anterior cingulate cortex and hippocampus. Moreover, the left superior parietal lobe showed a larger activation in patients than controls especially during the later stage of sexual response.Our results suggest that, among regions more active in patient

2012 Journal Of Sexual Medicine

67. Cortical infarction of the right parietal lobe and neurogenic heart disease: A report of three cases (PubMed)

Cortical infarction of the right parietal lobe and neurogenic heart disease: A report of three cases Three male patients were diagnosed with new cortical infarctions of the right parietal lobe on the basis of head magnetic resonance imaging; high-intensity signals indicating lesions in the right parietal lobe were noted on diffusion-weighted images at admission. Two of them presented with left hand weakness, and one exhibited left upper limb weakness. Treatment for improving blood supply (...) easily causes tachyarrhythmia and sudden death. Our experimental findings indicate that close electrocardiograph monitoring and cerebral infarction treatment should be standard procedures to predict and help prevent heart disease in patients with cerebral infarction in the right parietal lobe and left upper limb weakness as the main complaint.

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2012 Neural Regeneration Research

68. Metabolic Hyperactivity of the Medial Posterior Parietal Lobes in Psychogenic Tremor (PubMed)

Metabolic Hyperactivity of the Medial Posterior Parietal Lobes in Psychogenic Tremor The pathophysiology of psychogenic movement disorders, including psychogenic tremor (PT), is only emerging.This is a single case report of a patient who met diagnostic criteria for PT. He underwent positron emission tomography (PET) of brain with 18F-deoxyglucose at resting state. His PET study showed symmetrically increased 18F-deoxyglucose uptake in both posterior medial parietal lobes (...) . There was no corresponding abnormality on structural imaging.Hypermetabolism of the medial aspects of posterior parietal lobes bilaterally may reflect abnormal activity of sensory integration that is important in the pathogenesis of PT. This further supports the idea that non-organic movement disorders may be associated with detectable functional brain abnormalities.

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2012 Tremor and Other Hyperkinetic Movements

69. Parietal Lobe

Parietal Lobe Parietal Lobe Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Parietal Lobe Parietal Lobe Aka: Parietal Lobe , Parietal (...) Lobe Function , Cerebral Parietal Lobe , Homunculus II. Physiology: Homunculus Homunculus is a graphical representation of sensory and motor control Man standing at the midline between the two s Legs are above the falx cerebri at the medial Parietal Lobe ( ) Legs are relatively small compared to arms and head Represents fewer overall s dedicated to leg motor and sensory control Man is bending at the waist over the top of the Parietal Lobe Legs and head extend over the lateral Parietal Lobe ( ) Arms

2015 FP Notebook

70. Recency Effects in the Inferior Parietal Lobe during Verbal Recognition Memory (PubMed)

Recency Effects in the Inferior Parietal Lobe during Verbal Recognition Memory The most recently encountered information is often most easily remembered in psychological tests of memory. Recent investigations of the neural basis of such "recency effects" have shown that activation in the lateral inferior parietal cortex (LIPC) tracks the recency of a probe item when subjects make recognition memory judgments. A key question regarding recency effects in the LIPC is whether they fundamentally (...) maintenance. We conclude with a discussion of two alternative explanations - the memory strength and "expectancy" hypotheses, respectively - of the parietal lobe recency effect.

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2011 Frontiers in human neuroscience

71. Neuronal Chains for Actions in the Parietal Lobe: A Computational Model (PubMed)

Neuronal Chains for Actions in the Parietal Lobe: A Computational Model The inferior part of the parietal lobe (IPL) is known to play a very important role in sensorimotor integration. Neurons in this region code goal-related motor acts performed with the mouth, with the hand and with the arm. It has been demonstrated that most IPL motor neurons coding a specific motor act (e.g., grasping) show markedly different activation patterns according to the final goal of the action sequence in which (...) the act is embedded (grasping for eating or grasping for placing). Some of these neurons (parietal mirror neurons) show a similar selectivity also during the observation of the same action sequences when executed by others. Thus, it appears that the neuronal response occurring during the execution and the observation of a specific grasping act codes not only the executed motor act, but also the agent's final goal (intention).In this work we present a biologically inspired neural network architecture

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2011 PloS one

72. Parietal Lobes in Schizophrenia: Do They Matter? (PubMed)

Parietal Lobes in Schizophrenia: Do They Matter? Objective. Despite observations that abnormal parietal lobe (PL) function is associated with psychotic-like experiences, our knowledge about the nature of PL involvement in schizophrenia is modest. The objective of this paper is to investigate the role of the PL in schizophrenia. Method. Medline databases were searched for English language publications using the following key words: parietal lobe, combined with schizophrenia, lesions, epilepsy (...) , cognition, rare genetic disorders, MRI, fMRI, PET, and SPECT, respectively, followed by cross-checking of references. Results. Imaging studies in childhood onset schizophrenia suggest that grey matter abnormalities start in parietal and occipital lobes and proceed to frontal regions. Although, the findings are inconsistent, several studies with patients at risk to develop schizophrenia indicate early changes in the PL. Conclusions. We want to propose that in a proportion of individuals with emerging

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2011 Schizophrenia Research and Treatment

73. Xenomelia: a new right parietal lobe syndrome. (PubMed)

Xenomelia: a new right parietal lobe syndrome. Damage to the right parietal lobe has long been associated with various disorders of body image. The authors have recently suggested that an unusual behavioural condition in which otherwise rational individuals desire the amputation of a healthy limb might also arise from right parietal dysfunction.Four subjects who desired the amputation of healthy legs (two right, one left and one, at first, bilateral and then left only) were recruited (...) for amputation. The authors introduce the term 'xenomelia' as a more appropriate name than apotemnophilia or body integrity identity disorder, for what appears to be an unrecognised right parietal lobe syndrome.

2011 Neurosurgery and Psychiatry

74. Parietal lobe inadequacy in mental deficiency. (PubMed)

Parietal lobe inadequacy in mental deficiency. 6017481 1967 04 01 2018 11 13 0007-1447 1 5535 1967 Feb 04 British medical journal Br Med J Parietal lobe inadequacy in mental deficiency. 282 Sylvester P E PE Blundell E E eng Journal Article England Br Med J 0372673 0007-1447 AIM IM Epilepsy physiopathology Humans Intellectual Disability physiopathology Intelligence Tests Motor Skills Parietal Lobe physiopathology Vision Tests 1967 2 4 1967 2 4 0 1 1967 2 4 0 0 ppublish 6017481 PMC1840671 J Ment

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1967 British medical journal

75. A sensitive test for tactile extinction: results in patients with parietal and frontal lobe disease. (PubMed)

A sensitive test for tactile extinction: results in patients with parietal and frontal lobe disease. A simple test for detecting tactile extinction is described. In a population of parietal-damaged patients it yielded fewer false negatives than the classical clinical procedure. Contrary to expectations, lesions confined to the right frontal lobe produced no extinction, while those in right-handed, left frontal cases revealed ipsilateral extinction with the new test.

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1977 Journal of neurology, neurosurgery, and psychiatry

76. DISCUSSION ON PARIETAL LOBE SYNDROMES (PubMed)

DISCUSSION ON PARIETAL LOBE SYNDROMES 14844224 2004 02 15 2018 12 01 0035-9157 44 4 1951 Apr Proceedings of the Royal Society of Medicine Proc. R. Soc. Med. Discussion on parietal lobe syndromes. 337-46 CRITCHLEY M M RUSSELL W R WR ZANGWILL O L OL eng Journal Article England Proc R Soc Med 7505890 0035-9157 OM Brain Diseases Humans Parietal Lobe Syndrome 5120:77200:138 BRAIN DISEASE 1951 4 1 1951 4 1 0 1 1951 4 1 0 0 ppublish 14844224 PMC2081660 Br Med Bull. 1950;6(4):333-40 15420399 Br J

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1951 Proceedings of the Royal Society of Medicine

77. Tactile Perceptual Rivalry and Tactile-Amorphosynthesis in the Localization of Cerebral Lesions: With special reference to parietal lobes (PubMed)

Tactile Perceptual Rivalry and Tactile-Amorphosynthesis in the Localization of Cerebral Lesions: With special reference to parietal lobes 13388993 2002 05 01 2018 12 01 0032-5473 32 369 1956 Jul Postgraduate medical journal Postgrad Med J Tactile perceptual rivalry and tactile-amorphosynthesis in the localization of cerebral lesions; with special reference to parietal lobes. 338-46 FAZLULLAH S S eng Journal Article England Postgrad Med J 0234135 0032-5473 OM Disease Humans Parietal Lobe Touch (...) 5731:35529 PARIETAL LOBE/diseases TOUCH 1956 7 1 1956 7 1 0 1 1956 7 1 0 0 ppublish 13388993 PMC2501057 Neurology. 1952 Nov-Dec;2(6):501-8 13002600 Neurology. 1952 Nov-Dec;2(6):509-13 13002601 Proc R Soc Med. 1951 Apr;44(4):337-46 14844224 Neurology. 1952 May-Jun;2(3):195-202 14929295

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1956 Postgraduate medical journal

78. The parietal lobes: clinical and pathological aspects of their dysfunction. (PubMed)

The parietal lobes: clinical and pathological aspects of their dysfunction. 5525837 1972 08 08 2018 11 13 0041-6193 39 1 1970 The Ulster medical journal Ulster Med J The parietal lobes: clinical and pathological aspects of their dysfunction. 1-19 Allison R S RS eng Journal Article Northern Ireland Ulster Med J 0417367 0041-6193 IM Aged Apraxias diagnosis Brain Diseases complications Female Humans Male Middle Aged Movement Disorders etiology Parietal Lobe Perceptual Disorders etiology Vision

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1970 The Ulster medical journal

79. The concept and misconception of homonymous hemianopsia. A case of the parietal lobe syndrome. (PubMed)

The concept and misconception of homonymous hemianopsia. A case of the parietal lobe syndrome. 5130044 1972 02 29 2018 11 13 0027-9684 63 6 1971 Nov Journal of the National Medical Association J Natl Med Assoc The concept and misconception of homonymous hemianopsia. A case of the parietal lobe syndrome. 441-4 Bolton E E Calhoun C L CL eng Journal Article United States J Natl Med Assoc 7503090 0027-9684 IM Aged Cerebrovascular Disorders complications Geniculate Bodies physiopathology Hemianopsia (...) etiology Humans Male Parietal Lobe physiopathology Visual Fields 1971 11 1 1971 11 1 0 1 1971 11 1 0 0 ppublish 5130044 PMC2608904 Brain. 1963 Jun;86:229-60 13946751 Neurology. 1968 Sep;18(9):825-35 5693676

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1971 Journal of the National Medical Association

80. A Large Sub-arachnoid Cyst involving the greater part of the Parietal Lobe of the Brain (PubMed)

A Large Sub-arachnoid Cyst involving the greater part of the Parietal Lobe of the Brain 17231284 2007 02 07 2008 11 20 13 Pt 4 1879 Jul Journal of anatomy and physiology J Anat Physiol A Large Sub-arachnoid Cyst involving the greater part of the Parietal Lobe of the Brain. 508-17 Cunningham D J DJ University of Edinburgh. eng Journal Article England J Anat Physiol 7900125 1879 7 1 0 0 1879 7 1 0 1 1879 7 1 0 0 ppublish 17231284 PMC1309839

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1879 Journal of Anatomy and Physiology

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