The Guilford-Zimmerman Aptitude Survey.

Guilford, J. P.; Zimmerman, Wayne S.

doi:10.1037/h0063610

Cited by 128 publications

(71 citation statements)

References 5 publications

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“…In the object location task, the distance of the placed object to the correct object on the grid was used as the outcome measure. Additionally, the GuilfordZimmerman spatial orientation test (Guilford and Zimmerman, 1948), a paper-pencil measure of the ability to process spatial relations, was administered at each measurement occasion. The long version of that task was divided into four parts, each containing 15 items, for which the participants were given 4 min of time.…”

Section: Behaviormentioning

confidence: 99%

Hippocampal volume and functional connectivity changes during the female menstrual cycle

et al. 2015

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Hippocampal volume has been shown to be sensitive to variations in estrogen and progesterone levels across rodents' estrous cycle. However, little is known about the covariation of hormone levels and brain structure in the course of the human menstrual cycle. Here, we examine this covariation with a multi-method approach that includes several brain imaging methods and hormonal assessments. We acquired structural and functional scans from 21 naturally cycling women on four time points during their cycles (early follicular phase, late follicular phase, ovulation and luteal phase). Hormone blood concentrations and cognitive performance in different domains were assessed on each of the measurement occasions. Structural MRI images were processed by means of whole-brain voxel-based morphometry and FreeSurfer. With either method, bilateral increases in hippocampal volume were found in the late follicular phase relative to the early follicular phase. The gray matter probability in regions of hippocampal volume increase was associated with lower mean diffusivity in the same region. In addition, we observed higher functional connectivity between the hippocampi and the bilateral superior parietal lobe in the late follicular phase. We did not find any reliable cycle-related performance variations on the cognitive tasks. The present results show that hormonal fluctuations covary with hippocampal structure and function in the course of the human menstrual cycle.

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Section: Behaviormentioning

confidence: 99%

Hippocampal volume and functional connectivity changes during the female menstrual cycle

et al. 2015

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“…Each participant was tested using the Guilford-Zimmerman Aptitude Survey (GZAS) for spatial orientation and visualisation (Guilford & Zimmerman, 1948). The duration of each test was 10 minutes.…”

Section: Methodsmentioning

confidence: 99%

Effects of Viewpoint Displacement on Navigational Performance in Virtual Environments

Wen-bi¹,

Milgram²

2003

PsycEXTRA Dataset

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Viewpoint tethering, as a way of integrating information from both egocentric and exocentric frames of reference, has been proposed as a means of supporting efficient navigation in virtual environments. In this paper, we report our latest findings on the effects of tether length on navigational performance. Twelve volunteers participated in an experiment in which they were instructed to control an aircraft-shaped cursor flying through a set of virtual tunnels and to answer questions about the environment. Experimental results showed that: (1) subjects' global awareness performance improved with an increase of tether length; and (2) neither the short tether nor the long tether supported the best local guidance performance. Rather, the best performance was observed for an intermediate length tethered display. The existence of an optimal value for this parameter provides useful guidelines for the design of navigational system interfaces.

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“…Different tasks measuring spatial abilities were used, assessing mental rotation (Vandenberg & Kuse, 1978), spatial orientation (Gramann, Müller, Eick, & Schönebeck, 2005;Guilford & Zimmerman, 1948) and perspective taking (Hegarty, 2004). Executive functioning was assessed with a task-switching paradigm (King, Colla, Brass, Heuser, & von Cramon, 2007).…”

Section: Cognitive Tasks and Questionnairementioning

confidence: 99%

Differences in navigation performance and postpartal striatal volume associated with pregnancy in humans

Lisofsky

Wiener

Condappa

et al. 2016

Neurobiology of Learning and Memory

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a b s t r a c tPregnancy is accompanied by prolonged exposure to high estrogen levels. Animal studies have shown that estrogen influences navigation strategies and, hence, affects navigation performance. High estrogen levels are related to increased use of hippocampal-based allocentric strategies and decreased use of striatal-based egocentric strategies. In humans, associations between hormonal shifts and navigation strategies are less well studied. This study compared 30 peripartal women (mean age 28 years) to an age-matched control group on allocentric versus egocentric navigation performance (measured in the last month of pregnancy) and gray matter volume (measured within two months after delivery). None of the women had a previous pregnancy before study participation. Relative to controls, pregnant women performed less well in the egocentric condition of the navigation task, but not the allocentric condition. A whole-brain group comparison revealed smaller left striatal volume (putamen) in the peripartal women. Across the two groups, left striatal volume was associated with superior egocentric over allocentric performance. Limited by the cross-sectional study design, the findings are a first indication that human pregnancy might be accompanied by structural brain changes in navigation-related neural systems and concomitant changes in navigation strategy.

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The Guilford-Zimmerman Aptitude Survey.

Abstract: It is the purpose of this article to describe the development of the Guilford-Zimmerman Aptitude Survey (7), to cite some of its novel features, and to present some preliminary results. 1

Cited by 128 publications

References 5 publications

Hippocampal volume and functional connectivity changes during the female menstrual cycle

Hippocampal volume and functional connectivity changes during the female menstrual cycle

Effects of Viewpoint Displacement on Navigational Performance in Virtual Environments

Differences in navigation performance and postpartal striatal volume associated with pregnancy in humans

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