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A NEW SYNDROME WITH QUADRUPEDAL GAIT, PRIMITIVE SPEECH, AND SEVERE MENTAL RETARDATION AS A LIVE MODEL FOR HUMAN EVOLUTION

Tan, Prof. Dr. Uner (2006) A NEW SYNDROME WITH QUADRUPEDAL GAIT, PRIMITIVE SPEECH, AND SEVERE MENTAL RETARDATION AS A LIVE MODEL FOR HUMAN EVOLUTION. [Journal (Paginated)]

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Abstract

The author has discovered a new syndrome with quadrupedal gait, flexed head and body, primitive speech, severe mental retardation, and mild cerebellar signs with a disturbed conscious experience. This syndrome was exhibited by 5 of 19 children from a consanguineous family. The pedigree demonstrated a typical autosomal-recessive inheritance. The genetic nature of this syndrome suggests a backward stage in human evolution, which is most probably caused by a genetic mutation, rendering, in turn, the transition from quadrupedality to bipedality. This would then be consistent with theories of punctuated evolution. On the other hand, the extensor motor system causing a resistance of the body against the gravity may actually be subjected to evolutionary forces. This new syndrome may be used as a live model for human evolution.

Item Type:Journal (Paginated)
Keywords:erect posture, evolution, human, quadrupedal gait
Subjects:Psychology > Evolutionary Psychology
ID Code:4941
Deposited By:Tan, Prof. Dr. Uner
Deposited On:01 Jul 2006
Last Modified:11 Mar 2011 08:56

References in Article

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Tan, U. (2005). Psychomotor theory: Mind-brain-body triad in health and disease. In

S. N. Sarbadhikari (Ed.), Depression and dementia: Progress in brain research,

clinical applications. Hauppauge, NY: Nova Science Publishers, Inc. (in press).

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