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Brain activation of the defensive and appetitive survival systems in obsessive ...
Gonçalves, OF; Soares, JM; Carvalho, S; Leite, J; Ganho, A; Fernandes-Gonçalves, A; Frank, B; Pocinho, F; Relvas, J; Carracedo, A; Sampaio, ASeveral studies have shown that basic emotions are responsible for a significant enhancement of early visual processes and increased activation in visual processing brain regions. It may be possible that the cognitive uncertainty and repeated behavioral checking evident in Obsessive Compulsive Disorder (OCD) is due to the existence of abnormalities in basic survival circuits, particularly those associated with ...
Human spermatogenic failure purges deleterious mutation load from the autosomes...
Lopes, Alexandra; Aston, Kenneth I.; Thompson, Emma E; Carvalho, Filipa; Gonçalves, João; Huang, N.; Matthiesen, Rune; Noordam, Michiel J.Gonadal failure, along with early pregnancy loss and perinatal death, may be an important filter that limits the propagation of harmful mutations in the human population. We hypothesized that men with spermatogenic impairment, a disease with unknown genetic architecture and a common cause of male infertility, are enriched for rare deleterious mutations compared to men with normal spermatogenesis. After assaying...
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