Why do images and eye contact grab our attention the most? The answer comes from neuroscience

    Why do images and eye contact grab our attention the most? The answer comes from neuroscience

    This study explains why when you get someone's attention, you do it through the gaze

    Don't store avocado like this: it's dangerous

    This study explains why when you get someone's attention you do it through the gaze or ... the images!





    Eye contact is the first that is required during discussions, but not only for keep attention. But why? The answer comes from science.

    "Watch me!" "look here!" How many times have we heard this phrase addressed by a mother to her child, during a couple quarrel or when you want to show something enthusiastically. When we want someone to pay attention, we firmly seek eye contact and this is due to norepinephrine, a very important neurotransmitter of the nervous system, also known as norepinephrine.

    Norepinephrine is essential for brain performance since it performs functions related to memory, to the regulation of emotions and not least to thecaution. Altered norepinephrine release factors are in fact recorded in diseases such as Alzheimer's, where the level of attention is low as well as norepinephrine, or in post-traumatic stress disorder where the concentration of the neurotransmitter is too high.

    A recent study done by researchers at the University of Texas at San Antonio showed that norepinephrine would affect way in which the information is received by the subject since it is released in greater quantities when the visual stimuli are connected to the movements of the body, such as the gestures we normally make to call attention and bring it to the eyes.

    This neurotransmitter would also be regulated in a local region of the human brain called visual cortex, only hypothesized by science before, and its release would be recorded by the cells astrocytes which according to scholars would constitute a very reliable indicator. These are the other two discoveries of the American team that, continuing, could bring other surprising results in research on sensory attention.



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    Fonte: Science

     

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