We study the behaviour of the Ben-Yishai hypercolumn model (Ben-Yishai et al., Proc. Natl. Acad. Sci. USA 92 (1995) 3844) under presentation of oriented stimuli, having extended this model by including plastic a!erent (LGN to cortex) connections. We "nd that Hebbian plasticity creates a self-organising map and show that constraining or modifying the standard Hebb rule in a particular way will l...

Although people from East Asian countries consistently report lower self-esteem than do those from Western countries, the origins of this difference are unclear. We conducted two studies to illuminate this issue. Study 1 found that Chinese participants appraised themselves less positively than American participants on a cognitive measure of self-evaluations, but cultural differences were absent...

This paper uses data from the 1980 and 1990 U.S. Censuses to analyze the labor market experience of high-skilled immigrants relative to high-skilled natives. Immigrants are found to be more likely to be working in one of the high-skilled occupations than natives, but the gap between the two groups decreased in the 1980’s. Given the high selfemployment rates of this group of workers, about 20 pe...

Throughout society there are instances of seemingly irrational imitative behavior, or fads. Everyone can identify a fad when they see one yet there is no comprehensive economic theory to explain their origins or demise. There are several theories that discuss why people replicate the choices of other agents in the economy, but none that are specific to the lifecycle of a fad. This paper is able...

abstract: the national identity is one of the most essential components of define any person from self and play a crucial role in contemporary world equations. the nature of national identity in any society depends on its status and the constructive dimensions and consequently the nature of its status and the constructive dimensions will have different results in various societies. therefore, u...

With the emergence of the Islamic Revolution in Iran, it is questionable whether a theoretical framework can provide for the components of foreign policy called the Islamic Revolution's self-esteem. Those who believe in "Dignifying Foreign Policy" find that in the foreign policy of the Islamic Revolution, the "Motive of Dignity" has a special place and position, so that during the eight-year wa...