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Taxonomy of current studies on interacting brain and bodies presented from the perspective of investigated social processes. Each cylinder represents a distinct research cluster adopted by the community. The schematic view describes how social neuroscience research aggregated on three main categories depending on investigated social cognitive processes. Vertical dimension of the diagram situates these studies in the context of general organization principles of social cognition (see main text). This diagram should not be seen as architecture of neural mechanisms per se, but as a general map of social processes as they were inquired in actual studies.
When does a human being begin?
Getting a handle on just a few basic human embryological terms accurately can considerably clarify the drastic difference between the "scientific" myths that are currently circulating, and the actual objective scientific facts. This would include such basic terms as: "gametogenesis," "oogenesis," "spermatogenesis," "fertilization," "zygote," "embryo," and "blastocyst." Only brief scientific descriptions will be given here for these terms. Further, more complicated, details can be obtained by investigating any well-established human embryology textbook in the library, such as some other referenced.
A. Basic human embryological facts
To begin with, scientifically something very radical occurs between the processes of gametogenesis and fertilization�the change from a simple part of one human being (i.e., a sperm) and a simple part of another human being (i.e., an oocyte�usually referred to as an "ovum" or "egg"), which simply possess "human life", to a new, genetically unique, newly existing, individual, whole living human being.