Institute for Cognitive Science Studies, Tehran, Iran
Health Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
Nowadays some overused agents have influenced on cognitive neuroscience studies. Some of the brain structures that regulate and control our behaviors are from these aspects so one of these pathways has focused in this study. On the other hand, human behaviors such as perception, action, language, and emotion have been paid more attention in cognitive neural science. In this review study data has been gathered in a matrix that has been confirmed by these aspects. It tries to find the frequency of current researches in any of these branches of the research matrix. Some of these researches locate in at least situation in frequency. Nucleus Accumbens (NA) and Hippocampus have discussed in this way. This study try to classify recent studies in reward system and then suggest the approach for following studies.