There are preferences formed for certain odors experienced in uterus via the mother's diet, and that such odors often result in stimulus-specific enhancement of olfactory epithelial cells.
The effect of early intrauterine ethanol exposure results in a tuned or refined sense of smell that later on affects behavior and also a physiological development of the fetus. Such kind of early experience (exposure to ethanol in the uterus) modulates food intake through choices and preferences for certain types of food. Both animal and human studies support the tentative conclusions regarding the retention of such ethanol-related memories in neonates and infants, especially if the exposure occurred late in the gestation period, no matter how briefly.
This exposure to ethanol odors paradigm helps confirm earlier literature regarding the retention of olfaction memory by a developing fetus to odor contamination in the fetal or prenatal environment and this memory is retained for a significant period of time after birth. A Beautiful Mind Starring Russell Crowe Directed by Ron Howard.
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