関連する実験動画

Updated: Aug 15, 2026

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

エストロゲンと性的指向に対する神経内分泌の反応

B A Gladue, R Green, R E Hellman

    Science (New York, N.Y.)
    |September 28, 1984
    PubMed
    まとめ

    エストロゲンに対する神経内分泌反応の生物学的な差異は,性的指向を示す可能性があります. 研究者らは,異性愛者の男性と比較して,同性愛者の男性に明確なルテイン化ホルモンパターンとより長いテストステロン低下を観察し,潜在的な生物学的マーカーを示唆しました.

    さらに関連する動画

    Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice09:35

    Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice

    Published on: January 20, 2015

    Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis05:44

    Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis

    Published on: October 13, 2023

    関連する概念動画

    Neurochemical Transmission: Sites of Drug Action01:26

    Neurochemical Transmission: Sites of Drug Action

    Neurochemical transmission, the conduction of electrical impulses between neurons mediated by neurotransmitters, plays a vital role in various physiological processes. Autonomic drugs exert their effects by modulating neurotransmission within the autonomic nervous system. For instance, drugs such as hemicholinium block the precursor uptake necessary for synthesizing acetylcholine, an essential autonomic neurotransmitter. Following synthesis, neurotransmitters are stored in vesicles. Metyrosine...
    Drugs Affecting Neurotransmitter Release or Uptake01:21

    Drugs Affecting Neurotransmitter Release or Uptake

    Certain drugs can affect how neurotransmitters called catecholamines, are released or taken back up in the adrenergic neuron. They can have different effects on the body's sympathetic transmission. Reserpine, a natural compound found in the Rauwolfia shrub, blocks a transporter called vesicular monoamine transporter (VMAT), which leads to a buildup of catecholamines in the cell and reduces sympathetic transmission. Another drug called guanethidine works in multiple ways, including blocking...
    Target Cell Response to Hormones01:22

    Target Cell Response to Hormones

    Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
    Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
    Regulation of Hormone Secretion01:19

    Regulation of Hormone Secretion

    Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
    Humoral stimuli,...
    Drugs Affecting Neurotransmitter Synthesis01:29

    Drugs Affecting Neurotransmitter Synthesis

    Drugs affecting neurotransmitter synthesis can impact the adrenergic neuron and the synthesis of neurotransmitters. For example, α-methyltyrosine and carbidopa target specific enzymes involved in catecholamine synthesis. α-methyltyrosine inhibits the enzyme tyrosine hydroxylase, which converts tyrosine into dopamine. By blocking this enzyme, α-methyltyrosine reduces dopamine production and other catecholamines. Carbidopa, on the other hand, inhibits the enzyme dopa decarboxylase, which converts...
    Neurotransmitters01:31

    Neurotransmitters

    Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.