Cortex News and Research

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Children's sleep behaviors linked to gray matter volume with implications for academic performance, IQ

Children who sleep better (that is, those who wake up less during night) and those who wake up earlier have more grey matter in their brains (specifically, in eight cortical regions and in the hippocampus), perform better academically, and have a higher level of intelligence (IQ).

11 Nov 2020

Study: Sleep loss hijacks the brain's ability to unlearn fear-related memories

Sleep is crucial for consolidating our memories, and sleep deprivation has long been known to interfere with learning and memory.

11 Nov 2020

Study: Optogenetic stimulation of circuit improves symptomatology of Huntington's disease

Huntington's disease is an hereditary neurodegenerative disease featured by alterations in movement, cognitive deficiency and psychiatric disorders resulting from the degeneration of neurons in the striatum nucleus of the brain.

11 Nov 2020

Study shows how perceptions of beauty drive people’s appetite and spending decisions

As the holiday season nears, thoughts of pumpkin pies, roasted chestnuts and turkey dinners fill our dreams and our grocery shopping lists.

11 Nov 2020

Neuroscientists receive ERC Synergy Grant to explore the neural basis of cognition

A Norwegian-Israeli team of neuroscientists has been awarded an ERC Synergy Grant to explore the biological basis of spatial operations in the brain.

5 Nov 2020

Scientists identify a brain structure important for decision making

Our minds can help us make decisions by contemplating the future and predicting the consequences of our actions.

5 Nov 2020

Scientists pin down a brain area crucial for predicting the consequences of choices

Predicting the outcomes of actions in order to make good decisions is a critical role of brain function. This process is thought to work through two fundamentally different mechanisms called "model-free" and "model-based" learning.

4 Nov 2020

Study shows how brain cells influence choices

When you are faced with a choice - say, whether to have ice cream or chocolate cake for dessert - sets of brain cells just above your eyes fire as you weigh your options.

3 Nov 2020

Neuroscientists show how the brain manages to adapt in people born without a corpus callosum

One in 4,000 people is born without a corpus callosum, a brain structure consisting of neural fibers that are used to transfer information from one hemisphere to the other.

30 Oct 2020

SARS-CoV-2 spike proteins can directly impact the blood-brain barrier

Like a key, SARS-CoV-2 - the virus that causes coronavirus disease 2019 (COVID-19) - attaches to specific molecules on the host cell surface, opening gateways into the cell interior.

30 Oct 2020

Novel device can benefit patients with upper limb paralysis

A tiny device the size of a small paperclip has been shown to help patients with upper limb paralysis to text, email and even shop online in the first human trial.

29 Oct 2020

Researchers generate a transcriptomic map of the COVID brain

COVID-19 is known to be associated with multiple changes in gene expression, but many of these are also seen in chronic brain conditions as well as in some abnormal mental conditions. A recent study published on the preprint server bioRxiv in October 2020 uncovers the molecular basis of this association.

26 Oct 2020

Vitamin C and COVID-19: A Review

In a recent review published in Preprints*, Patrick Holford et al. address vitamin C's role as adjunctive therapy for respiratory infection, sepsis, and COVID-19.

23 Oct 2020

Children's brains are prewired to see words, study suggests

Humans are born with a part of the brain that is prewired to be receptive to seeing words and letters, setting the stage at birth for people to learn how to read, a new study suggests.

22 Oct 2020

Researchers validate new radiolabeled molecule used in imaging tests to detect brain injury

Researchers have validated a new radiolabeled molecule that can be used with imaging tests to accurately detect and characterize brain injury.

22 Oct 2020

Newborns analyze the emotional content of their surroundings only at a very basic level

Humans aren't born with mature brain circuitry that attaches emotions to the things they see or hear in their environment, a new study shows.

20 Oct 2020

Researchers provide new evidence that fear and anxiety reflect overlapping brain circuits

Anxiety, the most common family of mental illnesses in the U.S., has been pushed to epic new heights by the COVID-19 pandemic, with the Centers for Disease Control and Prevention estimating that nearly 1 in 3 U.S. adults and a staggering 41% of people ages 18-29 experienced clinically significant anxiety symptoms in late August.

19 Oct 2020

New method makes the superficial white matter visible in the living human brain

Traditionally, neuroscience regards the brain as being made up of two basic tissue types. Billions of neurons make up the grey matter, forming a thin layer on the brain's surface.

19 Oct 2020

Tracing lineage to demonstrate direct astrocyte-to-neuron conversion in mouse brain

Regeneration of functional new neurons to repair injured human brain is a long-term unsolved problem up till today.

16 Oct 2020

Researchers examine the 'social brain' responsible for interacting with other people

A team of Russian researchers with the participation of a leading researcher at HSE University, Ekaterina Pechenkova, found that during group problem solving the components of the social brain are co-activated, but they do not increase their coupling during cooperation as would be suggested for a holistic network.

16 Oct 2020

Cortex News and Research

Children's sleep behaviors linked to gray matter volume with implications for academic performance, IQ

Study: Sleep loss hijacks the brain's ability to unlearn fear-related memories

Study: Optogenetic stimulation of circuit improves symptomatology of Huntington's disease

Study shows how perceptions of beauty drive people’s appetite and spending decisions

Neuroscientists receive ERC Synergy Grant to explore the neural basis of cognition

Scientists identify a brain structure important for decision making

Scientists pin down a brain area crucial for predicting the consequences of choices

Study shows how brain cells influence choices

Neuroscientists show how the brain manages to adapt in people born without a corpus callosum

SARS-CoV-2 spike proteins can directly impact the blood-brain barrier

Novel device can benefit patients with upper limb paralysis

Researchers generate a transcriptomic map of the COVID brain

Vitamin C and COVID-19: A Review

Children's brains are prewired to see words, study suggests

Researchers validate new radiolabeled molecule used in imaging tests to detect brain injury

Newborns analyze the emotional content of their surroundings only at a very basic level

Researchers provide new evidence that fear and anxiety reflect overlapping brain circuits

New method makes the superficial white matter visible in the living human brain

Tracing lineage to demonstrate direct astrocyte-to-neuron conversion in mouse brain

Researchers examine the 'social brain' responsible for interacting with other people

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