Psychology & Psychiatry

How the brain helps us focus our attention

How can we shift from a state of inattentiveness to one of highest attention? The locus coeruleus, literally the "blue spot," is a tiny cluster of cells at the base of the brain. As the main source of the neurotransmitter ...

Neuroscience

More than light detectors: The magic of your eyes' pupils

The mechanisms we use to sense quantity are located in our pupils. This is the result of a study conducted by the School of Psychology of the University of Sydney, in collaboration with the Universities of Pisa and Florence ...

Neuroscience

Pupillary light reflex can be inhibited by multisensory signals

Multisensory integration has been recently shown to produce a larger pupil size than unisensory constituents. Superior colliculus (SC), an important laminar nucleus in the midbrain, not only engages in spatial attention and ...

Psychology & Psychiatry

Pupils mirror perception of social interaction

Humans are endowed with intrinsic social motivation to interact with others and to maintain social relationships. It has been demonstrated that pupil size may serve as a window for personal motivations, such as sex, money ...

Psychology & Psychiatry

Anxiety motivates bystanders to intervene in bullying

Many school pupils are in daily contact with bullying—as victims, bullies or witnesses. We know that the reactions of people around them are very significant, but what determines whether or not other pupils come to the ...

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