Uzamsal Düşünme



Is spatial uncertainty necessary for the context specific proportion congruency effect?
Bozkurt, Özge; Mısırlısoy, Mine; Department of Psychology (2019)
Cognitive control is generally measured with the Stroop effect which is signified by slow responses in the incongruent (the word and color mismatch) items. The magnitude of the Stroop effect is modulated by experimental manipulations, for instance it is reduced by presenting items in mostly incongruent contexts as compared to mostly congruent contexts. The difference between the Stroop effects observed in these contexts is called the context specific proportion congruency (CSPC) effect. A large number of CS...
Improving Perceptual Quality of Spatially Transformed Adversarial Examples
Aydın, Ayberk; Temizel, Alptekin; Department of Modeling and Simulation (2022-8)
Deep neural networks are known to be vulnerable to additive adversarial perturbations. The amount of these additive perturbations are generally quantified using Lp metrics over the difference between adversarial and benign examples. However, even when the measured perturbations are small, they tend to be noticeable by human observers since Lp distance metrics are not representative of human perception. Spatially transformed examples work by distorting pixel locations instead of applying an additive perturba...
Interaction of Spatial Configurations and Language: An Experimental Inquiry
Yılmaz, Naz Buse; Çakır, Murat Perit; Acartürk, Cengiz; Department of Cognitive Sciences (2022-8-31)
The perception and description of space are one of the most fundamental phenomena in human cognition and evolution. Knowing where we are and telling allies about it is vital information from an evolutionary perspective. There is more than one way to define spatial scenes, and we choose one of these ways without even realizing it. Literature examines the spatial linguistic systems to find out what drives and provoke these differences. Linguistic elements that define space generally examined as topological de...
Strategies and difficulties in solving spatial visualization problems: a case study with adults
Kayhan, Emine Banu; Bulut, Safure; Department of Secondary Science and Mathematics Education (2012)
The purpose of the present study is to investigate the spatial strategies of adults and the difficulties they experience while solving spatial visualization problems. To achieve this purpose, a case study is conducted and the case of this study is the group of five adults studying secondary or elementary mathematics education in a public university in Ankara. Spatial Ability Test (SAT) and task based interviews are utilized to determine the participants’ spatial abilities; and to interpret their strategies,...
A type system for combinatory categorial grammar
Erkan, Güneş; Bozşahin, Hüseyin Cem; Department of Computer Engineering (2003)
This thesis investigates the internal structure and the computational representation of the lexical entries in Combinatory Categorial Grammar (CCG). A restricted form of typed feature structures is proposed for representing CCG categories. This proposal is combined with a constraint-based modality system for basic categories of CCG. We present some linguistic evidence to explain why both a uni cation-based feature system and a constraint-based modality system are needed for a lexicalist framework. An implem...
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A. Macun, Uzamsal Düşünme. 2022.