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Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
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Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
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Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
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Related Experiment Video

Updated: Jul 29, 2025

Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice
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Neuro-Environmental Interactions: a time sensitive matter.

Azzurra Invernizzi, Stefano Renzetti, Elza Rechtman

    Biorxiv : the Preprint Server for Biology
    |May 19, 2023
    PubMed
    Summary
    This summary is machine-generated.

    Environmental metal exposures significantly impact resting-state brain dynamics in adolescents. Lead, chromium, and copper were key predictors of global brain efficiency, highlighting the need to account for chemical exposures in neuroimaging studies.

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    Area of Science:

    • Neuroscience
    • Environmental Health
    • Toxicology

    Background:

    • Resting-state neurophysiological dynamics assessment requires controlling environmental factors.
    • The influence of temporally-distal environmental exposures, like metals, on brain function is not well understood.

    Conclusions:

    • Past and current metal exposures significantly influence resting-state brain dynamics in adolescents.
    • It is crucial to consider and control for chemical exposures in the analysis of rs-fMRI data.
    • This study underscores the link between environmental toxicology and neurophysiological function.