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age

·May 18, 2025·7 min read

Parents’ Age, Ancestry, and Habits Shape New DNA Mutations

A massive genomic study has revealed that parental age, ancestry, and smoking habits subtly influence the number of new genetic mutations (de novo mutations) passed from parents to children. By analyzing whole-genome data from 10,000 parent-child trios, researchers found that most variation in mutation rates comes from parental age, especially the father’s.

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·July 26, 2023·4 min read

Child’s Age and Pet Ownership Improve Recognition of Dog Emotions

The ability to correctly identify dog emotions from their facial expressions appears to be influenced by a person's age and prior experience with dogs. This research found that adults and 6-year-olds were more accurate in recognizing aggressive expressions in dogs than 4-year-olds, regardless of whether they had pet dogs.

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·December 6, 2022·5 min read

Chronological Age, Biological Age and Gender Affect the Shrinkage of Different Brain Areas

Functional brain networks and brain shrinkage are affected in different ways by age, gender, and blood immune factors.

This shows a sad child walking away from his family down a train track

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·October 17, 2022·3 min read

Children Born to Younger or Older Parents Have an Increased Risk of Bipolar Disorder

Children born to parents who are under 20, or those born to mothers over 35 and fathers over 45 are at increased risk of being diagnosed with bipolar disorder later in life. Older men, researchers report, are at greater risk of having a child with bipolar disorder.

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·July 20, 2022·4 min read

Higher Voice Pitch Lets Female Faces Appear Younger

Higher pitched voices in women influence how their faces are evaluated, researchers report. The faces of women with higher-pitched voices were perceived as being younger. However, researchers found no evidence of a link between vocal pitch or perceptions of facial attractiveness, health, or femininity.

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·May 15, 2022·6 min read

AI Predicts Infant Age and Gender Based on Temperament

Before the 48-week mark of life, it is easier for an AI algorithm to determine the exact age of a baby, but not its gender based on temperament data. After 48 weeks, gender classification improved for all algorithms, suggesting gender differences in infancy become more accentuated at this point in life.

Featured Neuroscience Psychology

·March 14, 2018·4 min read

Study Links Physical Characteristics and Brain Health in Psychosis

A new study reports on a link between age, body mass index and brain integrity in psychosis. Researchers discovered higher age, BMI and severity of psychotic symptoms were negatively associated with cortical thickness and brain activity when patients were asked to perform cognitive tasks.