Participants were required to switch among randomly ordered tasks, and instructional cues were used to indicate which task to execute. In Experiments 1 and 2, the participants indicated their readiness for the task switch before they received the target stimulus; thus, each trial was associated with two primary dependent measures: (1) readiness time and (2) target reaction time. Slow readiness responses and instructions emphasizing high readiness were paradoxically accompanied by slow target reaction time. Moreover, the effect of task switching on (...) readiness time was an order of magnitude smaller then the (objectively estimated) duration required for task preparation (Experiment 3). The results strongly suggest that participants have little conscious awareness of their preparedness and challenge commonly accepted assumptions concerning the role of consciousness in cognitive control. (shrink)

Like the Theory of Event Coding (TEC), theories of executive functions depict cognition as a flexible and goal-directed system rather than a reflex-like one. Research on task-switching, a dominant paradigm in executive control, has revealed complex and some apparently counterintuitive results. Many of these are readily explained by assuming, like TEC, that cognitive control is based on selecting information from commensurate representations of stimuli and actions.

Die vorgelegte Untersuchung, deren Facettenreichtum der Bilderfülle des wohl berühmtesten ‚byzantinischen‘ Hymnus entspricht, ist eine reife Frucht aus dem weiteren Umfeld des Wiener Byzantinistischen Instituts, die als Dissertation am 25. März 2000 an der Universität Helsinki verteidigt und danach mit Veränderungen und Verbesserungen im Druck vorgelegt wurde.

Stressful life situations can impair or facilitate various cognitive functions. In the present study, the effect of examination stress on students was examined using two executive function tasks, task-switching and the Stroop task, in a between-subject crossover design. Students showed increased anxiety in the 2 week period prior to exams compared to the beginning of the semester, manifested as higher scores on the Spielberger State-Trait Anxiety Scale and a shift to more sympathetic activation when heart rate variability was assessed. During (...) the stressful period, the switching cost was reduced on a spatial task-switching paradigm and reaction times in the Stroop task were faster. This is the first study to show stress-induced facilitation of performance on these executive function tasks. (shrink)

We suggest that the network approach to comorbidity (Cramer et al.) is best examined by using longitudinal, multi-measurement, intra-individual data. Employment of time-series analysis to the examination of the generalized anxiety disorder and major depressive disorder comorbidity enables a detailed appreciation of fluctuations and causal trajectories in terms of both symptoms and cognitive vulnerability.

Die vorgelegte Untersuchung, deren Facettenreichtum der Bilderfülle des wohl berühmtesten ‚byzantinischen‘ Hymnus entspricht, ist eine reife Frucht aus dem weiteren Umfeld des Wiener Byzantinistischen Instituts, die als Dissertation am 25. März 2000 an der Universität Helsinki verteidigt und danach mit Veränderungen und Verbesserungen im Druck vorgelegt wurde.

(2011). Theory in Health Promotion Research and Practice: Thinking outside the Box. Patricia Goodson. Boston, MA: Jones and Bartlett. 2010. 245, pp. $78.95. Educational Studies: Vol. 47, No. 6, pp. 583-588.

The process-dissociation procedure was used to estimate the influence of spatial and form-based processing in the Simon task. Subjects made manual responses to the direction of arrows . The results provide evidence that the form and spatial location of a single stimulus can have functionally independent effects on performance. They also indicate the existence of two kinds of automaticity—an associative component that reflects prior S-R mappings and a nonassociative component that reflects the correspondence between stimulus and response codes.

In the late 19th century, physiologists such as David Ferrier, Eduard Hitzig, and Hermann Munk argued that cerebral brain functions are localized in discrete structures. By the early 20th century, this became the dominant position. However, another prominent physiologist, Friedrich Goltz, rejected theories of cerebral localization and argued against these physiologists until his death in 1902. I argue in this paper that previous historical accounts have failed to comprehend why Goltz rejected cerebral localization. I show that Goltz (...) adhered to a falsificationist methodology, and I reconstruct how he designed his experiments and weighted different kinds of evidence. I then draw on the exploratory experimentation literature from recent philosophy of science to trace one root of the debate to differences in how the German localizers designed their experiments and reasoned about evidence. While Goltz designed his experiments to test hypotheses about the functions of predetermined cerebral structures, the localizers explored new functions and structures in the process of constructing new theories. I argue that the localizers relied on untested background conjectures to justify their inferences about functional organization. These background conjectures collapsed a distinction between phenomena they produced direct evidence for (localized symptoms) and what they reached conclusions about (localized functions). (shrink)

England, known as “the empire without sun settling down” and being among the final winners of the World War I (1914-1918), had one of the heaviest defeats of its history against the Ottoman Empire in the Kut al-Amara, which happened on 29 April 1916 close to Baghdad. Following the defeat of Kut al-Amara, which was the most important war trauma for England during the World War I, the Turks and Germans, as winner side of the battle were evaluated by British (...) prisoners from military, political, cultural and socio-psychological aspects in their memories. Content analysis method is used in the article for qualitative evalution of the data related to the Turkish and German image reflected in the memories of British prisoners after the siege of Kut al-Amara. The alliance between Turks and Germans is regarded as contrast in terms of important elements as national and ethnic identity, language, religion and culture in the main sources of the research as My Compain by Charles Townshend, Besieged in Kut and After by Barber, A Kut Prisoner by Bishop, In Kut and Captivity with the Sixth Indian Division by Sandes, The Secrets of a Kuttite by Mousley which occationally use exaggerated language and the subjective information due to the impact of traumatic defeat.Summary: Being a heroic epic in the war history of Turkey, Kūt al-‘Amāra has been the subject of very fewer researches until recently, despite its importance in Turkey’s history. This argument is supported by the fact that the memoirs by Ottoman soldiers related to the WWI, which also encompass information about Kūt al-‘Amāra, were published half a century after the war at the earliest. Unlike the records of Turkish soldiers participating in Kūt al-‘Amāra, the memoirs and the war diaries of British soldiers were published shortly after the war, as early as possible, between the years of 1918-1921. The authors of these memoirs and war diaries informed the public on the reasons for the defeat of Kūt al-‘Amāra on the one hand, and on the other hand created the Ottoman and Turkish image which was concidered differently in the British society in terms of culture and civilization. They also strengthened this image over that of German’s, with whom they shared many common values despite the fact that they represented the opposite fronts of the war.It is worthy mentioning that the role of the Ottoman army in the victory of Kūt al-‘Amāra was highly underestimated by the memoirs of the British prisoners. According to the authors, it is not the Turkish army that has achieved real victories over the British, but Germany’s support, notably General von der Goltz, the great strategist of Europe. The effects of bad weather conditions and geographical situation are also emphasized among the reasons of the defeat of Kūt al-‘Amāra. Consequently, the success of the Turkish army in the victory of Kūt al-‘Amāra was ignored, except for the role of Halil Pasha. The image of an army that knows the trench and defence techniques well, but fails to attack is one of the prominent evaluations in the memoirs related to the Turkish military characteristics.The British prisoners of war, who evaluate the Turkish and German image through the economic and political situation, draw a very desperate picture of the situation of the Turks in the mentioned areas. According to this image, corruption and bribery prevails at every stage of the Turkish government. The Turks are unable to repay their dept to Germany, which dominates the economy of the country completely. According to these records, besides ordinary people, the army is also facing great difficulties in meeting basic requirements. To convert the Ottoman Empire into their own property and keep the Turks under their control in military, economic and political spheres, the Germans lend a high amount of money.On the basis of Turkish soldiers encountered in Kūt al-‘Amāra, the British prisoners characterizes the Turks as physically large, hard and strong-bodied people. The authors also note that the Turks are not as cold-blooded, calm and obedient as they seem at first sight, rather they become rude people when they get angry. Another feature that British prisoners evaluate as a potential of the Turks, is their childish spirit. In as much as they are happy with small things and can be offended by small things. According to the memoirs, the Germans should not be allowed to benefit from these characteristics of the Turks, but the British should take the advantage of their potential power.The moral characteristics of the Turks and the Germans are among the most emphasized subjects. Written in exceptional time such as war, sometimes the diaries include exaggerated and sentimental phrases related to the moral attitudes enemy soldiers exhibited during siege, as well as captivity. Turks are regarded as negligent and careless rather than cruel or ruthless. They owe these characteristics to their Eastern identity, which is different from the Europeans having virtues such as task responsibility and diligence. The moral characteristic of the Turks regarding the duty, responsibility and kindness is evaluated comparatively with the civilized and humanistic behaviors of the Germans towards the prisoners. Being Europeans, the Germans often come to the fore because of their more polite treatment towards the British prisoners. Although the Germans as an enemy fought against the British on the front, they were kind to them in the Ottoman territories as the only civilized people among the barbarian peoples of the East.The Turks and the Germans are compared in the field of education, as well as other areas of development. The authors emphasize that the education level of the Turks is very low; Armenian and Greek subjects of the Empire are its brain and financial resources, which is the reason why the Turks are anxious about them. The Germans have the superiority in both transportation and communication technology in the Ottoman territories. One of the reasons they had a huge investment on the Ottoman territories is the Berlin-Istanbul-Baghdad-Basra railway. The British prisoners give details on the German communication technology they encountered during both the battle and the captivity days in Anatolia. In addition to the transport and communication technology, they also record much German-made military equipment, from weapons to maps.Evaluating the Turks and the Germans as opposites, the British prisoners draw an image for the latter, with whom they share a common cultural legacy, as a fully equipped enemy in terms of technology and strategy on the front, and the civilized Europeans characterized with their virtue in non-war situations. On the contrary, the Turks are described as a strong defender and daredevil soldiers on the front line, but strategically weak on the front. In terms of duties and responsibilities, the Turkish soldiers are presented with negligent and irresponsible approach towards their prisoners. The images of the Turks and the Germans, which are compared by the British prisoners, are often based on their Eastern and Western identity. The Turks symbolize the East with economic, political and cultural backwardness, yet quite the contrary, the Germans symbolize the West in terms of development, modernity and civilization. The British prisoners sometimes used exaggerated expressions in their approaches regarding both sides, as well as different details in terms of information and interpretation about the same event, due to the trauma of defeat. (shrink)

Rückert. - Gottfried Keller. - Berthold Auerbach. - Paul Heyse. - Reuter, Raabe, Goltz. - Literarisches kunterbunt. - Schillerstiftung. - Aus der welt des theaters. - Kulturgeschichtliches. - Paris. - Äckerleins keller. - Berliner erinnerungen. - Wiener erinnerungen. - Schönefeld. - Das kleine diner als kuturelement. - Herbartdenkmal. - Meine vier alten. - Am preussischen hof. - Kriegsakademie. - Fontane kriegsgefangen. - Tunnel und Ellora. - Das Rütli. - Register.