scholarly journals Fluctuations of Visuospatial Attention are Predicted by Behavioral and Neuropsychological Measures

2021 ◽  
Vol 21 (9) ◽  
pp. 2720
Author(s):  
Brooke Greiner ◽  
Gennadiy Gurariy ◽  
Christine Larson ◽  
Adam S. Greenberg
2001 ◽  
Vol 15 (4) ◽  
pp. 256-274 ◽  
Author(s):  
Caterina Pesce ◽  
Rainer Bösel

Abstract In the present study we explored the focusing of visuospatial attention in subjects practicing and not practicing activities with high attentional demands. Similar to the studies of Castiello and Umiltà (e. g., 1990) , our experimental procedure was a variation of Posner's (1980) basic paradigm for exploring covert orienting of visuospatial attention. In a simple RT-task, a peripheral cue of varying size was presented unilaterally or bilaterally from a central fixation point and followed by a target at different stimulus-onset-asynchronies (SOAs). The target could occur validly inside the cue or invalidly outside the cue with varying spatial relation to its boundary. Event-related brain potentials (ERPs) and reaction times (RTs) were recorded to target stimuli under the different task conditions. RT and ERP findings showed converging aspects as well as dissociations. Electrophysiological results revealed an amplitude modulation of the ERPs in the early and late Nd time interval at both anterior and posterior scalp sites, which seems to be related to the effects of peripheral informative cues as well as to the attentional expertise. Results were: (1) shorter latency effects confirm the positive-going amplitude enhancement elicited by unilateral peripheral cues and strengthen the criticism against the neutrality of spatially nonpredictive peripheral cueing of all possible target locations which is often presumed in behavioral studies. (2) Longer latency effects show that subjects with attentional expertise modulate the distribution of the attentional resources in the visual space differently than nonexperienced subjects. Skilled practice may lead to minimizing attentional costs by automatizing the use of a span of attention that is adapted to the most frequent task demands and endogenously increases the allocation of resources to cope with less usual attending conditions.


2012 ◽  
Author(s):  
Jennifer A. Webb-Murphy ◽  
Vasudha Ram ◽  
Robert N. Mclay ◽  
Dennis L. Reeves ◽  
James L. Spira ◽  
...  

2020 ◽  
Vol 35 (6) ◽  
pp. 782-782
Author(s):  
T Scott ◽  
J Spellman ◽  
N Walker ◽  
J Rivera ◽  
D Waltzman ◽  
...  

Abstract Objective Among individuals with mild traumatic brain injury (mTBI), those with depression report greater subjective cognitive complaints than those without depression. In mTBI patients with general cognitive complaints, depression may account for poor performance on objective neuropsychological measures. This study seeks to expand this research by examining depression, subjective executive functioning (EF) complaints, and objective EF performance in Veterans with mTBI. Method Fifty-seven Veterans with deployment-related mTBI (12% female; age M = 42.0, SD = 13.6; years education M = 15.0, SD = 1.8) with (n = 29) or without (n = 28) a chart diagnosis of depression. Participants were administered the Behavioral Rating Inventory of Executive Functioning (BRIEF) and objective neuropsychological measures of working memory (i.e., Weschler Adult Intelligence Scale-IV Working Memory Index) and aspects of EF (i.e., Trail Making Test B and Delis-Kaplan Executive Functioning System (D-KEFS) subtests). Results Principal component analysis identified similar domains of EF to the BRIEF, including: task monitoring (Trail Making Test B, D-KEFS Letter Fluency, and D-KEFS Tower Test, eigenvalue = 1.93) and shifting (D-KEFS: Color-Word Interference Conditions 3 and 4, and Category Switching, eigenvalue = 1.24). Individuals with depression had greater subjective EF complaints in each BRIEF domain than non-depressed individuals (p’s ≤ .01). However, subjective complaints in these domains were not related to objective performance (r’s = −0.17,-0.19, p’s > .05). Moreover, depressed and non-depressed individuals performed similarly on all EF measures (p’s > .05). Conclusions mTBI Veterans with depression report more subjective EF complaints than those without depression. The lack of association between subjective complaints and objective EF performance suggests it is important to treat depression in mTBI patients to remedy perceived cognitive deficits.


Author(s):  
José Antonio Labra Pérez ◽  
Julio Menor

The participation of the elderly in cognitively demanding activities is considered an enhancing factor of cognitive function. However, the life cycle psychosocial variables such as education and type of profession also influence in cognitive functioning. The objective of this study is to analyze the relationship between daily stimulation and cognitive functioning in a sample of healthy older adults, controlling the effects of education and the type of profession. The study involved 164 adults over 60 years, from rural and urban areas, with different levels of education and professional level which were assessed with an extensive battery of neuropsychological measures, as well as in an inventory of everyday activities built ad hoc. The results show that different cognitively demanding everyday activities are related to with cognitive processes, both fluids and crystallized. Furthermore, it was found that daily stimulation plays an important role in cognitive functioning outside of education and the type of profession performed. Overall, the results of this study shows the importance of everyday activity as a protective mechanism against cognitive decline, as well as the need to adopt a model of active aging


Author(s):  
Victoria A. A. Beunders ◽  
Marijn J. Vermeulen ◽  
Jorine A. Roelants ◽  
Nienke Rietema ◽  
Renate M. C. Swarte ◽  
...  

Author(s):  
Jodie E. Chapman ◽  
Betina Gardner ◽  
Jennie Ponsford ◽  
Dominique A. Cadilhac ◽  
Renerus J. Stolwyk

Abstract Objective: Neuropsychological assessment via videoconference could assist in bridging service access gaps due to geographical, mobility, or infection control barriers. We aimed to compare performances on neuropsychological measures across in-person and videoconference-based administrations in community-based survivors of stroke. Method: Participants were recruited through a stroke-specific database and community advertising. Stroke survivors were eligible if they had no upcoming neuropsychological assessment, concurrent neurological and/or major psychiatric diagnoses, and/or sensory, motor, or language impairment that would preclude standardised assessment. Thirteen neuropsychological measures were administered in-person and via videoconference in a randomised crossover design (2-week interval). Videoconference calls were established between two laptop computers, facilitated by Zoom. Repeated-measures t tests, intraclass correlation coefficients (ICCs), and Bland–Altman plots were used to compare performance across conditions. Results: Forty-eight participants (26 men; M age = 64.6, SD = 10.1; M time since stroke = 5.2 years, SD = 4.0) completed both sessions on average 15.8 (SD = 9.7) days apart. For most measures, the participants did not perform systematically better in a particular condition, indicating agreement between administration methods. However, on the Hopkins Verbal Learning Test – Revised, participants performed poorer in the videoconference condition (Total Recall Mdifference = −2.11). ICC estimates ranged from .40 to .96 across measures. Conclusions: This study provides preliminary evidence that in-person and videoconference assessment result in comparable scores for most neuropsychological tests evaluated in mildly impaired community-based survivors of stroke. This preliminary evidence supports teleneuropsychological assessment to address service gaps in stroke rehabilitation; however, further research is needed in more diverse stroke samples.


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