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prefrontal cortex

·June 2, 2020·4 min read

Your brain needs to be ready to remember?

When hippocampal firing rates are high before exposure to a learning task, people are better able to successfully encode memory. Findings suggest the hippocampus may have a "ready to encode" mode that facilitates memory recall.

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·May 21, 2020·4 min read

Exercise improves memory and boosts blood flow to brain

Following a one year program of aerobic exercise improves memory function and boosts blood flow to brain areas critical for cognition in older adults with risk factors for dementia.

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·May 17, 2020·5 min read

Presence of spouse alters how parents’ brains react to children stimuli

When parents are physically together, they have higher similar responses in prefrontal cortex activity to the sound of their infant crying than when they were physically separated.

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·May 15, 2020·8 min read

What pandemic dreams may come

Researchers discuss how the coronavirus pandemic is affecting the quality and content of people's dreams. The stress we are experiencing may be manifesting in our dream content as we sleep.

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·May 11, 2020·1 min read

Why some people are more prone to anxiety

Increased levels of serotonin transporters in the amygdala may explain why some people are more prone to anxiety than others.

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·May 6, 2020·6 min read

How strong is your mental imagery? It might depend on how ‘excitable’ your neurons are

The strength of a person's mental imagery is associated with excitability in the prefrontal cortex and visual cortex. Highly excitable neurons in the visual cortex may reduce a person's ability to imagine mental images. The findings shed light on how aphantasia, a condition where a person can not imaging mental images, may occur.

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·April 20, 2020·7 min read

Early exposure to cannabis boosts young brains’ sensitivity to cocaine

Cannabis use during youth enhances sensitivity to cocaine from the first exposure, a new rat study finds.

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·April 15, 2020·5 min read

How expectations influence learning

Our brains make predictions based on experience during episodes of learning. Researchers found expectations during the predictions affect the activity of various brain networks.

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·April 9, 2020·5 min read

Aha! + Aaaah: Creative insight triggers a neural reward signal

Neuroimaging study sheds light on what drove the evolutionary development of human creativity.

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·April 8, 2020·3 min read

Key protein involved in the biology of depression identified

The GPR56 protein has been implicated in the biology of depression and a person's response to antidepressants.

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·April 7, 2020·8 min read

Treatment relieved depression in 90% of participants in small study

Researchers modified current transcranial magnetic stimulation technology to improve its effectiveness for treating depression. The new system, Stanford Accelerated Intelligent Neuromodulation Therapy (SAINT), targeted the subregion between the dorsolateral prefrontal cortex and subgenual cingulate in patients suffering from depression. The treatment delivered rapid relief from depression symptoms for 90% of the test subjects. For 60% of recipients, the effects lasted for more than one-month post-treatment.