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Overprotective parents inhibit more than their kids’ freedom:
they may also slow brain growth in an area linked to mental illness. Children
whose parents are overprotective or neglectful are believed to be more
susceptible to psychiatric disorders—which in turn are associated with defects
in part of the prefrontal cortex.
To investigate the link,
Kosuke Narita of Gunma University, Japan, scanned the brains of 50 people in
their 20s and asked them to fill out a survey about their relationship with
their parents during their first 16 years. The researchers used a survey called
the Parental Bonding Instrument, an internationally recognized way of measuring
children’s relationships with their parents. It asks participants to rate their
parents on statements like "Did not want me to grow up", "tried to control
everything I did" and "tried to make me feel dependent on her/him". Narita’s
team found that those with overprotective parents had less gre