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brain size

·October 20, 2022·2 min read

Brain Evolution Is Linked to Competition

In a highly competitive environment, Trinidadian killifish grow larger brains. This neuro-evolution allows for greater fitness and survival rates.

Featured Neurology Neuroscience

·July 10, 2022·6 min read

Head Injuries in Children Linked to Reduced Brain Size and Learning Difficulties

In children, traumatic brain injury can lead to reduced brain size and cognitive impairments that affect learning, researchers report.

This shows a cross section of a termite brain

Featured Neuroscience

·October 24, 2021·4 min read

Termite Brains Can Grow in Anticipation of a Single Moment of Flight and Light

Study reveals why select members of a termite community experience brain changes in anticipation of cognitive demands.

Featured Neuroscience Open Neuroscience Articles

·October 22, 2021·5 min read

When and Why Did Human Brains Decrease in Size 3,000 Years Ago?

A new study reports human brain size decreased in size approximately 3,000 years ago, and the brain shrinkage parallels the expansion of collective intelligence in human societies.

These are models of the skulls and brains

Featured Neuroscience

·April 8, 2021·3 min read

Modern Human Brain Originated In Africa Around 1.7 Million Years Ago

Computer tomography reveals modern human brain structures only originated between 1.5 to 1.7 million years ago in African Homo populations.

This is a drawing of people hunting an elephant

Featured Neuroscience Open Neuroscience Articles

·March 1, 2021·5 min read

The Human Brain Grew as a Result of the Extinction of Large Animals

Study reveals the extinction of larger animals led to an increase in the volume of the human brain, and ultimately the development of language in early humans.

Featured Genetics Neuroscience

·February 21, 2021·4 min read

Capuchin Monkey Genome Reveals Clues to Its Long Life and Large Brain

A new genetic study reveals the evolution of longevity and larger brains in capuchin monkeys.

This is a drawing of a baby and a placenta

Featured Genetics Neuroscience Psychology

·February 8, 2021·5 min read

Specific Genes in Placenta May Predict Size of Baby’s Brain and Risk for Schizophrenia

Genes found in the placenta can accurately help predict the size of a baby's brain and its cognitive development, which, depending on other factors, could predict risk factors for schizophrenia in later life.

Autism Featured Neuroscience

·December 17, 2020·6 min read

Big Brains and White Matter: New Clues About Autism Subtypes

Two new studies shed light on brain development and changes in ASD. Researchers found the development of white matter tracts in the brain was linked to the severity of autism symptoms. Additionally, larger brain size at age 3 was linked to a larger brain size later in childhood.

Featured Neuroscience Psychology

·October 23, 2020·4 min read

Happiness and the Evolution of Brain Size

Study reveals a new role for serotonin in the development of the human neocortex. Serotonin acts cell-extrinsically as a growth factor for basal progenitors in the developing neocortex. Researchers report placenta-driven serotonin likely contributed to the evolutionary expansion of the neocortex in humans.

Featured Genetics Neuroscience Open Neuroscience Articles

·September 4, 2020·5 min read

The Length of the Neurogenic Period Is a Key Determinant for Brain Size

During pregnancy, the maternal environment has a dominant influence on the length of the neurogenic period and the number of upper-layer neurons produced. The study reveals a link between the maternal environment and embryonic cortical neurogenesis in-vitro.

Featured Neuroscience Psychology

·August 5, 2020·2 min read

Your Amygdala Gets Bigger If You’re Anxious and Depressed

Depression and anxiety have a profound effect on brain areas associated with memory and emotional processing. In people with depression and anxiety, researchers noted shrinkage to the hippocampus. By contrast, the amygdala increased in size.

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