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Parietal Lobe

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121. Thalamotemporal impairment in temporal lobe epilepsy: A combined MRI analysis of structure, integrity, and connectivity. Full Text available with Trip Pro

Thalamotemporal impairment in temporal lobe epilepsy: A combined MRI analysis of structure, integrity, and connectivity. Thalamic abnormality in temporal lobe epilepsy (TLE) is well known from imaging studies, but evidence is lacking regarding connectivity profiles of the thalamus and their involvement in the disease process. We used a novel multisequence magnetic resonance imaging (MRI) protocol to elucidate the relationship between mesial temporal and thalamic pathology in TLE.For 23 patients (...) with TLE and 23 healthy controls, we performed T1 -weighted (for analysis of tissue structure), diffusion tensor imaging (tissue connectivity), and T1 and T2 relaxation (tissue integrity) MRI across the whole brain. We used connectivity-based segmentation to determine connectivity patterns of thalamus to ipsilateral cortical regions (occipital, parietal, prefrontal, postcentral, precentral, and temporal). We subsequently determined volumes, mean tractography streamlines, and mean T1 and T2 relaxometry

2014 Epilepsia

122. Neuroimaging and neurodevelopmental outcome of preterm infants with a periventricular haemorrhagic infarction located in the temporal or frontal lobe. Full Text available with Trip Pro

Neuroimaging and neurodevelopmental outcome of preterm infants with a periventricular haemorrhagic infarction located in the temporal or frontal lobe. The aim of the study was to compare clinical and neuroimaging characteristics and neurodevelopmental outcome in preterm infants with a periventricular haemorrhagic infarction (PVHI) located in the temporal or frontal periventricular white matter.The study was a retrospective hospital-based study of preterm infants with a frontal PVHI (n=21; 11 (...) impairment, and/or atypical cognitive development (Griffiths Mental Development Scales developmental quotient or Wechsler Preschool and Primary Scale of Intelligence <85).Unfavourable outcome was observed in 12 out of 13 children with a temporal PVHI compared with six out of 21 children with a frontal PVHI (p=0.002). Only one of the included infants with a PVHI in the temporal white matter developed cerebral palsy, which was due to a parietal PVHI in the contralateral hemisphere. Cognitive impairment

2014 Developmental Medicine and Child Neurology

123. Temporal lobe epilepsy and affective disorders: the role of the subgenual anterior cingulate cortex. Full Text available with Trip Pro

Temporal lobe epilepsy and affective disorders: the role of the subgenual anterior cingulate cortex. Reduced deactivation within the default mode network (DMN) is common in individuals with primary affective disorders relative to healthy volunteers (HVs). It is unknown whether similar network abnormalities are present in temporal lobe epilepsy (TLE) patients with a history of affective psychopathology.17 TLE patients with a lifetime affective diagnosis, 31 TLE patients with no formal (...) psychiatric history and 30 HVs were included. We used a visuo-spatial 'n-back' paradigm to compare working memory (WM) network activation between these groups. Post hoc analyses included voxel-based morphometry and diffusion tensor imaging. The Beck Depression Inventory-Fast Screen and Beck Anxiety Inventory were completed on the day of scanning.Each group activated the fronto-parietal WM networks and deactivated the typical DMN in response to increasing task demands. Group comparison revealed that TLE

2014 Neurosurgery and Psychiatry

124. High frequency rTMS over the left parietal lobule increases non-word reading accuracy. (Abstract)

High frequency rTMS over the left parietal lobule increases non-word reading accuracy. Increasing evidence in the literature supports the usefulness of Transcranial Magnetic Stimulation (TMS) in studying reading processes. Two brain regions are primarily involved in phonological decoding: the left superior temporal gyrus (STG), which is associated with the auditory representation of spoken words, and the left inferior parietal lobe (IPL), which operates in phonological computation. This study

2012 Neuropsychologia Controlled trial quality: uncertain

125. Task-Dependent Interaction between Parietal and Contralateral Primary Motor Cortex during Explicit versus Implicit Motor Imagery Full Text available with Trip Pro

Task-Dependent Interaction between Parietal and Contralateral Primary Motor Cortex during Explicit versus Implicit Motor Imagery Both mental rotation (MR) and motor imagery (MI) involve an internalization of movement within motor and parietal cortex. Transcranial magnetic stimulation (TMS) techniques allow for a task-dependent investigation of the interhemispheric interaction between these areas. We used image-guided dual-coil TMS to investigate interactions between right inferior parietal lobe

2012 PloS one

126. Towards an understanding of parietal mnemonic processes: some conceptual guideposts Full Text available with Trip Pro

Towards an understanding of parietal mnemonic processes: some conceptual guideposts The posterior parietal lobes have been implicated in a range of episodic memory retrieval tasks, but the nature of parietal contributions to remembering remains unclear. In an attempt to identify fruitful avenues of further research, several heuristic questions about parietal mnemonic activations are considered in light of recent empirical findings: Do such parietal activations reflect memory processes (...) , or their contents? Do they precede, follow, or co-occur with retrieval? What can we learn from their pattern of lateralization? Do they index access to episodic representations, or the feeling of remembering? Are parietal activations graded by memory strength, quantity of retrieved information, or the type of retrieval? How do memory-related activations map onto functional parcellation of parietal lobes suggested by other cognitive phenomena? Consideration of these questions can promote understanding

2012 Frontiers in integrative neuroscience

127. Parietal Contributions to Visual Working Memory Depend on Task Difficulty Full Text available with Trip Pro

capacity and WM task demands. We discuss these findings in terms of alternative WM strategies employed by low and high WM capacity individuals. We speculate that low WM capacity individuals do not recruit the posterior parietal lobe for WM tasks as efficiently as high WM capacity individuals. Consequently, tDCS provides greater benefit to individuals with high WM capacity. (...) Parietal Contributions to Visual Working Memory Depend on Task Difficulty The nature of parietal contributions to working memory (WM) remain poorly understood but of considerable interest. We previously reported that posterior parietal damage selectively impaired WM probed by recognition (Berryhill and Olson, 2008a). Recent studies provided support using a neuromodulatory technique, transcranial direct current stimulation (tDCS) applied to the right parietal cortex (P4). These studies confirmed

2012 Frontiers in Psychiatry

128. Clinical evidence of parietal cortex dysfunction and correlation with extent of allodynia in CRPS type 1. Full Text available with Trip Pro

Clinical evidence of parietal cortex dysfunction and correlation with extent of allodynia in CRPS type 1. Unusual symptoms such as digit misidentification and neglect-like phenomena have been reported in complex regional pain syndrome (CRPS), which we hypothesized could be explained by parietal lobe dysfunction.Twenty-two patients with chronic CRPS attending an in-patient rehabilitation programme underwent standard neurological examination followed by clinical assessment of parietal lobe (...) function and detailed sensory testing.Fifteen (68%) patients had evidence of parietal lobe dysfunction. Six (27%) subjects failed six or more test categories and demonstrated new clinical signs consistent with their parietal testing impairments, which were impacting significantly on activities of daily living. A higher incidence was noted in subjects with >1 limb involvement, CRPS affecting the dominant side and in left-handed subjects. Eighteen patients (82%) had mechanical allodynia covering 3-57.5

2012 European Journal of Pain

129. Alteration of global workspace during loss of consciousness: A study of parietal seizures. Full Text available with Trip Pro

Alteration of global workspace during loss of consciousness: A study of parietal seizures. Loss of consciousness (LOC) in epileptic seizures has a strongly negative impact on quality of life. Recently, we showed that LOC occurring during temporal lobe seizures was correlated with a nonlinear increase of neural synchrony in associative--and particularly parietal--cortices. Whether these mechanisms might be observed in other types of seizures is unknown. This study aimed at investigating (...) the relationship between changes in synchrony and degree of LOC during parietal lobe epilepsy (PLE), a form of epilepsy in which seizures directly involve the parietal associative cortices.Ten patients undergoing stereoelectroencephalography (SEEG) during presurgical evaluation of PLE were studied. The LOC intensity was scored using the Conscious Seizure Scale (CSS). For each studied seizure (n = 29), interdependencies between signals recorded from six brain regions were estimated as a function of time

2012 Epilepsia

130. Frontal and Temporal Lobe Dementia (Overview)

also showed hypometabolism in the left frontal lobe and, occasionally, a lesser degree of hypometabolism in the right hemisphere. These patterns of cortical involvement have been confirmed in many subsequent studies. The pattern of frontal and/or temporal involvement is distinct from that of Alzheimer disease, in which both parietal lobes tend to show the earliest hypometabolism. New ligands used to bind to amyloid protein deposits (eg, Pittsburgh Compound B, or the recently approved florbetapir (...) Frontal and Temporal Lobe Dementia (Overview) Frontotemporal Dementia and Frontotemporal Lobar Degeneration: Overview, Etiology, Genetic Distribution and Variation Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache

2014 eMedicine.com

131. Frontal Lobe Syndromes (Overview)

with frontal lobe dysfunction. Working memory involves a complex circuit that involves many brain regions, including the dorsolateral frontal cortex, thalamus, and parts of the temporal and parietal cortices. Working memory is defined as memory for a limited amount of information (such as a telephone number) that needs to be kept in consciousness for a few seconds (until the number is dialed) and then may be lost forever. Most patients are able to hold 6 or 7 digits in working memory. Patients with frontal (...) Frontal Lobe Syndromes (Overview) Frontal Lobe Syndromes: Background, Pathophysiology, Epidemiology Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTEzNTg2Ni1vdmVydmlldw== processing > Frontal Lobe Syndromes

2014 eMedicine.com

132. Frontal and Temporal Lobe Dementia (Follow-up)

also showed hypometabolism in the left frontal lobe and, occasionally, a lesser degree of hypometabolism in the right hemisphere. These patterns of cortical involvement have been confirmed in many subsequent studies. The pattern of frontal and/or temporal involvement is distinct from that of Alzheimer disease, in which both parietal lobes tend to show the earliest hypometabolism. New ligands used to bind to amyloid protein deposits (eg, Pittsburgh Compound B, or the recently approved florbetapir (...) Frontal and Temporal Lobe Dementia (Follow-up) Frontotemporal Dementia and Frontotemporal Lobar Degeneration: Overview, Etiology, Genetic Distribution and Variation Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache

2014 eMedicine.com

133. Frontal and Temporal Lobe Dementia (Treatment)

also showed hypometabolism in the left frontal lobe and, occasionally, a lesser degree of hypometabolism in the right hemisphere. These patterns of cortical involvement have been confirmed in many subsequent studies. The pattern of frontal and/or temporal involvement is distinct from that of Alzheimer disease, in which both parietal lobes tend to show the earliest hypometabolism. New ligands used to bind to amyloid protein deposits (eg, Pittsburgh Compound B, or the recently approved florbetapir (...) Frontal and Temporal Lobe Dementia (Treatment) Frontotemporal Dementia and Frontotemporal Lobar Degeneration: Overview, Etiology, Genetic Distribution and Variation Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache

2014 eMedicine.com

134. Frontal and Temporal Lobe Dementia (Diagnosis)

also showed hypometabolism in the left frontal lobe and, occasionally, a lesser degree of hypometabolism in the right hemisphere. These patterns of cortical involvement have been confirmed in many subsequent studies. The pattern of frontal and/or temporal involvement is distinct from that of Alzheimer disease, in which both parietal lobes tend to show the earliest hypometabolism. New ligands used to bind to amyloid protein deposits (eg, Pittsburgh Compound B, or the recently approved florbetapir (...) Frontal and Temporal Lobe Dementia (Diagnosis) Frontotemporal Dementia and Frontotemporal Lobar Degeneration: Overview, Etiology, Genetic Distribution and Variation Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache

2014 eMedicine.com

135. Frontal Lobe Syndromes (Diagnosis)

with frontal lobe dysfunction. Working memory involves a complex circuit that involves many brain regions, including the dorsolateral frontal cortex, thalamus, and parts of the temporal and parietal cortices. Working memory is defined as memory for a limited amount of information (such as a telephone number) that needs to be kept in consciousness for a few seconds (until the number is dialed) and then may be lost forever. Most patients are able to hold 6 or 7 digits in working memory. Patients with frontal (...) Frontal Lobe Syndromes (Diagnosis) Frontal Lobe Syndromes: Background, Pathophysiology, Epidemiology Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTEzNTg2Ni1vdmVydmlldw== processing > Frontal Lobe Syndromes

2014 eMedicine.com

136. Changes in tactile discrimination and in visual reaching after successive and simultaneous bilateral posterior parietal ablations in the monkey Full Text available with Trip Pro

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

1962 Journal of neurology, neurosurgery, and psychiatry

137. Psychiatric Symptoms and Parietal Disease: Differential Diagnosis Full Text available with Trip Pro

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

1964 Proceedings of the Royal Society of Medicine

138. Psychiatric Symptoms and Parietal Disease: Differential Diagnosis Full Text available with Trip Pro

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

1964 Proceedings of the Royal Society of Medicine

139. Global hemianaesthesia: a parietal perceptual distortion suggesting non-organic illness. Full Text available with Trip Pro

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.

1978 Journal of neurology, neurosurgery, and psychiatry

140. Parietal Lobes in Schizophrenia: Do They Matter? Full Text available with Trip Pro

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

2011 Schizophrenia Research and Treatment

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