Behavioral endocrinology

Behavioral Endocrinology is a branch of endocrinology that studies the Neuroendocrine system and its effects on behavior. [1] Behavioral endocrinology studies the biological mechanisms that produce behaviors, this gives insight into the evolutionary past.[2] The field has roots in ethology, endocrinology and psychology.[3]

    The neuroendocrine system

    Main Article: Neuroendocrinology

    The neuroendocrine system is an integrated system composed of neurons, glands and non-endocrine tissues, and the hormones and neurochemicals they produce and receive collectively regulate physiological or behavioral state.[4]

    Hypothalamus

    main article: Hypothalamus

    The hypothalamus is a distinct part of the brain that is made up of neurons and its main purpose is to maintain homeostasis.[5] The hypothalamus also plays an important part in survival of the individual by integrating the interactions between hormonal and behavioral processes, such as, eating behavior and aggressive behavior.[5]

    Pituitary gland

    main article: Pituitary gland

    The pituitary gland located in the brain is a major system in neuroendocrine system because the secretion of hormones from the anterior pituitary is directly regulated by the central nervous system.[6]

    Neuroendocrine regulation of behavior

    Social behavior, reproductive behavior, moods, feelings, attitudes, development and survival are affected by the neuroendocrine system and studied in the field of behavioral endocrinology.[2][7]

    Adrenal Hormones

    Main article: Adrenal Hormones

    Cortisol

    Main article: Cortisol

    See the Cortisol: Memory and Stress and mood sections for more information on how cortisol has been found to affect behavior.

    Adrenaline

    Main Article: Adrenaline

    See the Adrenaline: Emotional response and Memory sections for more information on how adrenaline affects behavior.

    Sex Steroids

    Main Article: Sex Steroids

    Testosterone

    Testosterone is secreted by the testicles of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid. See Testosterone: Aggression and criminality and Testosterone: Brain for more information on how testosterone effects behavior.

    Estrogen

    Estrogens, together, make up a group of primary female sex hormones synthesized in the ovaries. See Estrogen: Brain and behavior for more on the role of estrogen in behavioral endocrinology.

    Thyroid Hormones

    Thyroid hormones are responsible for controlling metabolism, nervous system, body temperature and development of several organ systems such as the reproductive system.

    Diseases and medicine

    main article: Endocrine disease

    Hyperthyroidism and hypothyroidism are the two major dysfunctions associated to behavioral and brain chemistry changes due to the imbalances in the thyroid hormones, triiodothyronine (T3) and thyroxine (T4).[8]

    History

    Behavioral endocrinology has roots in ethology and is also seen as a combination of endocrinology and psychology. Like ethology, behavioral endocrinology focuses on behavior on the level of the whole organism. The invention of radioimmunoassay techniques revolutionized behavioral endocrinology, allowing scientists to see and quantify hormones. The field historically resists reductionist thinking and focuses on the physiological aspects of behavior. [3]

    Influential scientists

    Charles Otis Whitman

    Karl Lashley

    Organizations
    1. Society of Behaviorial Neuroendocrinology- Platform that provides a network between interested persons from all different experience levels. [9]
    gollark: (I'm assuming that you pay a fixed amount per packet or something which is split between all the nodes participating in sending that)
    gollark: If I am paid for being a middle node, I would get money for going between A and B with a jammer, so that B can't connect with A directly, and providing a new node.
    gollark: Let's say person A is connected to B, and A is also connected to the wider internet™ or something.
    gollark: Your scheme would give me money for jamming someone else's connection so I can shove my own middle node in and just forward traffic to them.
    gollark: Check better.

    See also

    References
      1. Behavioral endocrinology. Becker, Jill B., Breedlove, S. Marc., Crews, David. Cambridge, Mass.: MIT Press. 1992. ISBN 0262023423. OCLC 24247523.CS1 maint: others (link)
      2. Welling, Lisa L. M.; Shackelford, Todd K. (2019-05-09), "Future Directions in Human Behavioral Endocrinology", The Oxford Handbook of Evolutionary Psychology and Behavioral Endocrinology, Oxford University Press, pp. 432–441, doi:10.1093/oxfordhb/9780190649739.013.22, ISBN 9780190649739
      3. Marler, Peter (2005-04-01). "Ethology and the origins of behavioral endocrinology". Hormones and Behavior. 47 (4): 493–502. doi:10.1016/j.yhbeh.2005.01.002. ISSN 0018-506X. PMID 15777816.
      4. Levine, Jon E. (2012-01-01), Fink, George; Pfaff, Donald W.; Levine, Jon E. (eds.), "Chapter 1 - An Introduction to Neuroendocrine Systems", Handbook of Neuroendocrinology, Academic Press, pp. 3–19, ISBN 9780123750976, retrieved 2019-10-07
      5. Hennig, J. (2001-01-01), "Hypothalamus", in Smelser, Neil J.; Baltes, Paul B. (eds.), International Encyclopedia of the Social & Behavioral Sciences, Pergamon, pp. 7113–7118, ISBN 9780080430768, retrieved 2019-10-07
      6. Goodman, H. Maurice (2009-01-01), Goodman, H. Maurice (ed.), "Chapter 2 - Pituitary Gland", Basic Medical Endocrinology (Fourth Edition), Academic Press, pp. 29–42, ISBN 9780123739759, retrieved 2019-10-07
      7. Welling, Lisa L. M., editor. Shackelford, Todd K. (Todd Kennedy), 1971- editor. (2019). The Oxford handbook of evolutionary psychology and behavioral endocrinology. ISBN 9780190649739. OCLC 1033551068.CS1 maint: multiple names: authors list (link)
      8. Bauer, Michael; Whybrow, Peter C. (2002), "Thyroid Hormone, Brain, and Behavior", Hormones, Brain and Behavior, Elsevier, pp. 239–264, doi:10.1016/b978-012532104-4/50023-8, ISBN 9780125321044
      9. "About Us". Society for Behavioral Neuroendocrinology. Retrieved 2019-10-07.
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