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Cortex; a Journal Devoted to the Study of the Nervous System and Behavior

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https://www.readbyqxmd.com/read/29331203/have-we-forgotten-about-forgetting-a-critical-review-of-accelerated-long-term-forgetting-in-temporal-lobe-epilepsy
#1
REVIEW
Anneli Cassel, Michael D Kopelman
Forgetting has been researched for over a century. This literature highlighted how forgetting rates can vary dependent on factors in the design and method. Recent interest in forgetting revived with evidence suggesting that seizures experienced almost immediately after matched learning could accelerate forgetting. This was followed by a growth in forgetting studies in patients with temporal lobe epilepsy (TLE), including a subset of those with transient epileptic amnesia (TEA). These patients have been described as expressing concerns about memory, yet often perform within 'normal' ranges on standard neuropsychological memory assessments...
December 26, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29334647/time-resolved-decoding-of-planned-delayed-and-immediate-prehension-movements
#2
Giacomo Ariani, Nikolaas N Oosterhof, Angelika Lingnau
Different contexts require us either to react immediately, or to delay (or suppress) a planned movement. Previous studies that aimed at decoding movement plans typically dissociated movement preparation and execution by means of delayed-movement paradigms. Here we asked whether these results can be generalized to the planning and execution of immediate movements. To directly compare delayed, non-delayed, and suppressed reaching and grasping movements, we used a slow event-related functional magnetic resonance imaging (fMRI) design...
December 23, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29306707/biased-temporal-order-judgments-in-chronic-neglect-influenced-by-trunk-position
#3
Christopher Rorden, Dongyun Li, Hans-Otto Karnath
Numerous studies have reported that temporal order perception is biased in neurological patients with extinction and neglect. These individuals tend to perceive two objectively simultaneous stimuli as occurring asynchronously, with the ipsilesional item being perceived as appearing prior to the contralesional item. Likewise, they report that two stimuli occurred simultaneously in situations where the contralesional item is presented substantially prior to the ipsilesional item. Therefore, they exhibit a biased point of subjective simultaneity (PSS)...
December 21, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29331824/effects-of-subject-case-marking-on-agreement-processing-erp-evidence-from-basque
#4
Wing-Yee Chow, Andrew Nevins, Manuel Carreiras
Previous cross-linguistic research has found that comprehenders are immediately sensitive to various kinds of agreement violations across languages. We focused on Basque, a verb-final ergative language with both subject-verb (SV) and object-verb (OV) agreement. We compared the effects of SV agreement violations on comprehenders' event-related brain potentials (ERPs) in transitive sentences (where OV agreement is present, and the subject is ergative) and intransitive sentences (where OV agreement is absent, and the subject is absolutive)...
December 20, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29329639/vestibular-stimulation-makes-people-more-egocentric
#5
LETTER
Anastasia Pavlidou, Elisa Raffaella Ferrè, Christophe Lopez
No abstract text is available yet for this article.
December 20, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29328983/social-and-cognitive-control-skills-in-long-life-occupation-activities-modulate-the-brain-reserve-in-the-behavioural-variant-of-frontotemporal-dementia
#6
Alessandra Dodich, Giulia Carli, Chiara Cerami, Sandro Iannaccone, Giuseppe Magnani, Daniela Perani
BACKGROUND: Cognitive reserve may delay disease onset and mitigate symptoms presentation in neurodegenerative dementias. Although high occupation levels can be associated with higher cognitive reserve in the behavioural variant of frontotemporal dementia (bvFTD), it was never addressed how specific occupation profiles involving social interaction, executive and attention abilities can modulate neural reserve in bvFTD. MATERIALS AND METHODS: We retrospectively included thirty-seven bvFTD patients with clinical-neuropsychological and FDG-PET brain metabolic data...
December 19, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29306708/the-influence-of-rem-sleep-and-sws-on-emotional-memory-consolidation-in-participants-reporting-depressive-symptoms
#7
Marcus O Harrington, Jennifer M Johnson, Harriet E Croom, Kyla Pennington, Simon J Durrant
Negative emotional memory bias is thought to play a causal role in the onset and maintenance of major depressive disorder. Rapid Eye Movement (REM) sleep has been shown to selectively consolidate negative emotional memories in healthy participants, and is greater in quantity and density in depressed patients. Slow-Wave Sleep (SWS) is typically associated with the consolidation of non-emotional memories. However, the effects of REM sleep and SWS on emotional memory consolidation have not been investigated in participants reporting depressive symptoms...
December 15, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29329640/capturing-real-life-forgetting-in-transient-epileptic-amnesia-via-an-incidental-memory-test
#8
Serge Hoefeijzers, Adam Zeman, Sergio Della Sala, Michaela Dewar
Transient epileptic amnesia (TEA) is an epileptic syndrome characterized by recurrent, brief episodes of amnesia. Patients with TEA often complain of interictal (between attacks) retention deficits, characterised by an 'evaporation' of memories for recent events over days to weeks. Clinical tests of anterograde memory often fail to corroborate these complaints as TEA patients commonly perform within the normal range after the standard 10-30-min delay period. Modified laboratory tests that include a 1-3 week delay period frequently reveal clear evidence of 'accelerated long-term forgetting' (ALF)...
December 13, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29290335/where-are-we-now-with-what-and-how
#9
EDITORIAL
Edward H F de Haan, Stephen R Jackson, Thomas Schenk
No abstract text is available yet for this article.
December 13, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29288012/two-visual-pathways-where-have-they-taken-us-and-where-will-they-lead-in-future
#10
Melvyn A Goodale, A David Milner
No abstract text is available yet for this article.
December 13, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29291529/anatomical-and-functional-changes-in-the-brain-after-simultaneous-interpreting-training-a-longitudinal-study
#11
Eowyn Van de Putte, Wouter De Baene, Lorna García-Pentón, Evy Woumans, Aster Dijkgraaf, Wouter Duyck
In the recent literature on bilingualism, a lively debate has arisen about the long-term effects of bilingualism on cognition and the brain. These studies yield inconsistent results, in part because they rely on comparisons between bilingual and monolingual control groups that may also differ on other variables. In the present neuroimaging study, we adopted a longitudinal design, assessing the long-term anatomical and cognitive effects of an extreme form of bilingualism, namely simultaneous interpreting. We compared a group of students starting interpreting training with a closely matched group of translators, before and after nine months of training...
December 12, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29306709/a-face-identity-hallucination-palinopsia-generated-by-intracerebral-stimulation-of-the-face-selective-right-lateral-fusiform-cortex
#12
Jacques Jonas, Hélène Brissart, Gabriela Hossu, Sophie Colnat-Coulbois, Jean-Pierre Vignal, Bruno Rossion, Louis Maillard
We report the case of a patient (MB, young female human subject) who systematically experienced confusion between perceived facial identities specifically when electrically stimulated inside the lateral section of the right fusiform gyrus. In the presence of a face stimulus (an experimenter or a photograph), intracerebral electrical stimulation in this region generated a perceptual hallucination of an individual facial part integrated within the whole perceived face, i.e., facial palinopsia. In the presence of a distracting stimulus (visual scene or object picture), the patient also experienced an individual face percept superimposed on the non-face stimulus...
December 9, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29295761/embodied-language-and-perspective-taking-in-light-of-movement-disorders
#13
Claudia Gianelli
No abstract text is available yet for this article.
December 9, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29294431/reduced-empathic-responses-for-sexually-objectified-women-an-fmri-investigation
#14
Carlotta Cogoni, Andrea Carnaghi, Giorgia Silani
Sexual objectification is a widespread phenomenon characterized by a focus on the individual's physical appearance over his/her mental state. This has been associated with negative social consequences, as objectified individuals are judged to be less human, competent, and moral. Moreover, behavioral responses toward the person change as a function of the degree of the perceived sexual objectification. In the present study, we investigated how behavioral and neural representations of other social pain are modulated by the degree of sexual objectification of the target...
December 8, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29306521/what-can-autism-teach-us-about-the-role-of-sensorimotor-systems-in-higher-cognition-new-clues-from-studies-on-language-action-semantics-and-abstract-emotional-concept-processing
#15
REVIEW
Rachel L Moseley, Friedemann Pulvermüller
Within the neurocognitive literature there is much debate about the role of the motor system in language, social communication and conceptual processing. We suggest, here, that autism spectrum conditions (ASC) may afford an excellent test case for investigating and evaluating contemporary neurocognitive models, most notably a neurobiological theory of action perception integration where widely-distributed cell assemblies linking neurons in action and perceptual brain regions act as the building blocks of many higher cognitive functions...
December 7, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29287244/investigating-the-differential-contributions-of-sex-and-brain-size-to-gray-matter-asymmetry
#16
Florian Kurth, Paul M Thompson, Eileen Luders
Scientific reports of sex differences in brain asymmetry - the difference between the two hemispheres - are rather inconsistent. Some studies report no sex differences whatsoever, others reveal striking sex effects, with large discrepancies across studies in the magnitude, direction, and location of the observed effects. One reason for the lack of consistency in findings may be the confounding effects of brain size as male brains are usually larger than female brains. Thus, the goal of this study was to investigate the differential contributions of sex and brain size to asymmetry with a particular focus on gray matter...
December 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29289335/cognitive-consequences-of-the-left-right-asymmetry-of-atrophy-in-semantic-dementia
#17
Anna M Woollams, Karalyn Patterson
Semantic dementia (SD) is a condition in which atrophy to the anterior temporal lobes (ATL) produces a selective deterioration of conceptual knowledge. As this atrophy is always bilateral but usually asymmetrical, differences in performance of the two SD subgroups-with left > right (L > R) versus right > left (R > L) atrophy-constitute a major source of evidence regarding the roles of the left and right sides of this region. We explored this issue using large scale case-series methodology, with a pool of 216 observations of neuropsychological data from 72 patients with SD...
December 5, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29287243/individual-variation-in-the-propensity-for-prospective-thought-is-associated-with-functional-integration-between-visual-and-retrosplenial-cortex
#18
Mario Villena-Gonzalez, Hao-Ting Wang, Mladen Sormaz, Giovanna Mollo, Daniel S Margulies, Elizabeth A Jefferies, Jonathan Smallwood
It is well recognized that the default mode network (DMN) is involved in states of imagination, although the cognitive processes that this association reflects are not well understood. The DMN includes many regions that function as cortical "hubs", including the posterior cingulate/retrosplenial cortex, anterior temporal lobe and the hippocampus. This suggests that the role of the DMN in cognition may reflect a process of cortical integration. In the current study we tested whether functional connectivity from uni-modal regions of cortex into the DMN is linked to features of imaginative thought...
December 5, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29288013/impaired-perception-of-facial-emotion-in-developmental-prosopagnosia-a-reply-to-van-den-stock-s-commentary
#19
Federica Biotti, Richard Cook
No abstract text is available yet for this article.
December 2, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29202356/apraxia-of-object-related-action-does-not-depend-on-visual-feedback
#20
Christoph Sperber, Andrea Christensen, Winfried Ilg, Martin A Giese, Hans-Otto Karnath
Pantomime of tool use is typically affected in neurological patients with apraxia, while at the same time these patients are able to perform the use of the actual tool with less or no errors. This discrepancy is commonly explained by differences in afferent input, in particular a lack of visual online feedback from the object in pantomime. The present study investigated the role of visual feedback in apraxia of pantomime by testing neurological patients with apraxia and healthy controls in a task requiring the pantomime of tool use as well as real tool use...
November 27, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
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