Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • Letter
  • Published:

Growth Hormone Administration during Pregnancy : a Behavioural Difference in Offspring Rats

Abstract

IT has been demonstrated1 that, as compared with the normal animal, the polyploid salamander suffers an impairment in maze learning and, to a lesser extent, in retention. This has been attributed to the increased size of neural cells with a resulting decrease in their number and, perhaps, in their interconnexions.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Similar content being viewed by others

References

  1. Fankhauser, G., Vernon, J. A., Frank, W. H., and Slack, W. V., Science, 122, 692 (1955); Vernon, J. A., and Butsch, J., ibid., 125, 1033 (1957).

    Article  ADS  Google Scholar 

  2. Zamenhof, S., On Present Possibilities of Increasing the Higher Functions of the Cortex Through Artificial Changes in Its Architectonic, 1 (The Science Press Printing Company, Lancaster, 1940).

    Google Scholar 

  3. Zamenhof, S., Growth, 5, 123 (1941).

    Google Scholar 

  4. Zamenhof, S., Physiol. Zool., 15, 281 (1942).

    Article  Google Scholar 

  5. Warden, C. J., Ross, S., and Zamenhof, S., Science, 95, 414 (1942).

    Article  ADS  CAS  Google Scholar 

  6. Clendinnen, B. G., and Eayrs, J. T., J. Endocrin., 22, 183 (1961).

    Article  CAS  Google Scholar 

  7. Essman, W. B., and Sudak, F. N., Psychol. Rep., 15, 775 (1964).

    Article  Google Scholar 

  8. Cotes, P. M., J. Endocrin., 10, 14 (1953).

    Google Scholar 

  9. Lazo-Wasem, E. A., and Graham, C. E., Proc. Soc. Exp. Biol. and Med., 94, 439 (1957).

    Article  CAS  Google Scholar 

  10. Cf. Rhythmic Functions in the Living System, edit. by Wolf, W., Ann. N.Y. Acad. Sci., 98, 753 (1962); The Hormones, 3, edit. by Pincus, G., and Thimann, K. V. (Academic Press, New York, 1955).

  11. Knobloch, H., and Pasamanick, B., Amer. J. Orthopsychiat., 31, 454 (1961).

    Article  CAS  Google Scholar 

  12. Young, R. D., J. Comp. Physiol. Psychol., 56, 929 (1963).

    Article  CAS  Google Scholar 

  13. Engfeldt, B., and Hultquist, G. T., Acta Endocrinol., 14, 181 (1953).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

BLOCK, J., ESSMAN, W. Growth Hormone Administration during Pregnancy : a Behavioural Difference in Offspring Rats. Nature 205, 1136–1137 (1965). https://doi.org/10.1038/2051136a0

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1038/2051136a0

This article is cited by

Comments

By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.

Search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing