2014年08月14日
the scrutiny that other health issues attract."
And there are other psychosocial problems associated with excess screen time. These include "Facebook depression", reported by the American Academy of Pediatrics, which develops when young people spend too much time on social media sites and then begin to exhibit classic symptoms of depression.Natural stone
Dr Sigman says: "Perhaps because screen time is not a dangerous substance or a visibly risky activity, it has eluded the scrutiny that other health issues attract."
He says there are many questions remaining about the precise nature of the association between screen time and adverse outcomes, but adds: "The advice from a growing number of both researchers and medical associations and government departments elsewhere is becoming unequivocal - reduce screen time."
Developmental psychopathology expert Prof Lynne Murray, of the University of Reading, said: "There is a well-established literature showing the adverse effects of screen experience on the cognitive development of children under three, and the US Paediatric Association for example has recommended no screen time before this age.
"If children do watch, however, adverse effects are mitigated by watching with a supportive partner - usually adult , who can scaffold and support the child's experience, and by watching more familiar material.
"A lot of screen material is not well designed for a child's cognitive processes, eg loud, fast changing stimulation - this is attention grabbing, but does not help processing." usb dac
Dr Sigman says: "Perhaps because screen time is not a dangerous substance or a visibly risky activity, it has eluded the scrutiny that other health issues attract."
He says there are many questions remaining about the precise nature of the association between screen time and adverse outcomes, but adds: "The advice from a growing number of both researchers and medical associations and government departments elsewhere is becoming unequivocal - reduce screen time."
Developmental psychopathology expert Prof Lynne Murray, of the University of Reading, said: "There is a well-established literature showing the adverse effects of screen experience on the cognitive development of children under three, and the US Paediatric Association for example has recommended no screen time before this age.
"If children do watch, however, adverse effects are mitigated by watching with a supportive partner - usually adult , who can scaffold and support the child's experience, and by watching more familiar material.
"A lot of screen material is not well designed for a child's cognitive processes, eg loud, fast changing stimulation - this is attention grabbing, but does not help processing." usb dac