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Experiencing abuse as a child is related to more cognitive difficulties as an adult than previously thought, a new study has suggested.

 

Researchers said there had been gross underestimation in previous studies of difficulties experienced by people in cognition or intellectual activity involving thinking, reasoning and memory that was linked to childhood maltreatment, especially neglect.

 

This is because of biases in previous studies resulting from overly relying on accounts of participants who self-reported abuse from recall, which might be prone to effects of memory and subjective appraisal, said the authors, including those from King's College, London, according to PTI.

 

"While there are some important exceptions, most research in this area has relied on retrospective reports of childhood maltreatment from adult participants.

 

"Our study has shown that this reliance on retrospective reports has likely resulted in researchers and clinicians underestimating the extent to which individuals with documented cases of maltreatment, and particularly neglect, are experiencing cognitive deficits," said co-author Andrea Danese, a professor of child and adolescent psychiatry at King's College London.

 

In this study, published in the journal Lancet Psychiatry, the researchers compared the cognitive abilities of adults having official records of childhood abuse and those reporting abusive experiences from recall.

 

The authors found that on an average, the adults having official records of childhood maltreatment showed cognitive deficits across most tests undertaken as part of the research, compared to those having no official records.

 

Further, the participants who self-reported abuse from memory did not demonstrate deficits in cognition, when compared with those without reports, the team found.

 

"Our study highlights the importance of identifying young people who have experienced neglect so that the proper support can be put in place, for example, to mitigate the negative consequences in education and employment," Danese said.

 

More research is needed to understand why individuals with documented histories of neglect have cognitive deficits, the authors said.