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Science

WOMEN ARE SLOWER TO PERCEIVE MOVEMENT

Washington/ Men perceive movement significantly faster than women, an “unexpected” discovery, according to the authors of a study published in the journal Current Biology. 

Researchers at Washington University in Seattle (USA) discovered that women are, on average, between 25% and 75% slower to realize movement.

The experts analyzed the speed of both sexes in determining if black and white bars projected on a screen moved to the right or to the left, which usually requires a tenth of a second to warn, and they found this “surprising” difference.

“We were really surprised. There is very little difference between sexes in low-level visual processing, especially differences as large as those found in our study”, Scott Murray said, a scientist at the University of Washington.

The researchers, however, assured that the faster perception of movement by men “may not necessarily reflect better visual processing”.

In this regard, they noted that similar performance improvements have been observed in this same task in individuals diagnosed with autism spectrum disorder or depression in old people.

Murray and his team found this difference in a “completely fortuitous” way, since they were using that program to study differences in the processing of austistic individuals.

To confirm the discoveries, the researchers consulted with other colleagues who had used the same task in their experiments to obtain additional data that represented a larger number of participants, who showed the same pattern.

Murray and his colleagues reported that the sex differences observed in the visual processing cannot be explained by the general differences in the speed of visual processing or visual discrimination skills.

In subsequent studies, researchers hope to discover underlying differences in the brain that can explain the discrepancy between men and women.

So far, brain images of key areas of motion have offered no clue, suggesting that the difference may originate in other parts of the brain or that it may be difficult to measure with currently known techniques. (August, 2018, EFE/PracticaEspañol)

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Lee la noticia y responde a las preguntas. (Read the news and answer the questions.)

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Question 1
El texto trata sobre...
A
El descubrimiento que muestra que los hombres perciben más rápido el movimiento que las mujeres.
B
El mejor procesamiento visual de los hombres respecto a las mujeres.
C
El estudio sobre personas autistas.
Question 2
Este descubrimiento se puede aplicar a individuos autistas.
A
No se cita.
B
Falso.
C
Verdadero.
Question 3
Un antónimo de "fortuito" es...
A
inesperado.
B
deliberado.
C
ocasional.
Question 4
Las diferencias subyacentes en el cerebro que explican esta discrepancia ya han sido descubiertas.
A
Verdadero.
B
Falso.
C
No se cita.
Question 5
Según el vídeo, en los primeros años de vida del artista, este veía en...
A
blanco y azul.
B
negro y azul.
C
blanco y negro.
Question 6
Según el vídeo, el artista...
A
puede oír los colores.
B
puede ver los colores.
C
puede oler los colores.
Question 7
Según el vídeo, el artista defiende...
A
la implantación de ojos cibernéticos en animales.
B
la creación de más ojos cibernéticos.
C
la tecnología para enriquecer al ser humano.
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