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Researchers reporting in the journal Current Biology on August 16 have found an unexpected difference between men and women. On average, their studies show, men pick up on visual motion significantly faster than women do.
Individuals representing both sexes are good at reporting whether black and white bars on a screen are moving to the left or to the right -- requiring only a tenth of a second and often much less to make the right call, the researchers found. But, in comparison to men, women regularly took about 25 to 75 percent longer.
The researchers say that the faster perception of motion by males may not necessarily reflect better visual processing. They note that similar performance enhancements in this same task have been observed in individuals diagnosed with autism spectrum disorder (ASD) or depression and in older individuals. The authors speculate that processes in the brain that down-regulate neural activity are disrupted in these conditions and may also be weaker in males.
"We were very surprised," says Scott Murray at the University of Washington, Seattle. "There is very little evidence for sex differences in low-level visual processing, especially differences as large as those we found in our study."
Murray and co-author Duje Tadin, University of Rochester, say that the finding was "entirely serendipitous." They were using the visual motion task to study processing differences in individuals with ASD. ASD shows a large sex bias, with boys being about four times more likely to be diagnosed with the condition than girls. As a result, the researchers included sex as a factor in their analysis of control individuals in the study who didn't have ASD. The sex difference in visual perception of motion became immediately apparent.
To confirm the findings, the researchers asked other investigators who had used the same task in their own experiments for additional data representing larger numbers of study participants. And those independent data showed the same pattern of sex difference.
See also: Sex Differences in Visual Motion Processing. Current Biology, 2018; DOI: 10.1016/j.cub.2018.06.014 ( http://dx.doi.org/10.1016/j.cub.2018.06.014 )
Source: https://www.sciencedaily.com/releases/2018/08/180816143237.htm
(Score: 2) by LoRdTAW on Monday August 20 2018, @10:11PM (2 children)
Woah! *THE* brain sex? So how does that work now? Do you take the two brains and rub them together? And assuming you gotta remove them from the skull, correct? I'm kinda lost here.
(Score: 3, Touché) by Anonymous Coward on Monday August 20 2018, @11:19PM
FTFY. I s'pose that's because somebody fucked your mind.
(Score: 0) by Anonymous Coward on Tuesday August 21 2018, @01:16AM
If the brain isn't a gendered organ, then gender is nothing but a social construct, and you should be forcibly transitioned to female ASAP, due to the all of the benefits that are statistically correllated with being a woman.
Without brain sex, the only basis you have for calling yourself a man is an organ that can be easily cut off. Just think how much happier you'd be as a woman.... At least think of how much you'd save on car insurance by switching to female!