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anxiety

·April 23, 2025·5 min read

Psychedelics May Reset Brain-Immune Link Driving Fear and Anxiety

A new study reveals that chronic stress activates immune cells that travel to the brain, amplify inflammation, and heighten fear responses. Researchers found that psychedelics like MDMA and psilocybin disrupt this immune-brain crosstalk, reducing stress-related fear in mice and showing similar effects in human tissue samples.

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·April 22, 2025·4 min read

Temporary Anxiety Impairs Threat Recognition and Learning

A brief episode of anxiety can significantly impair a person’s ability to distinguish between safe and dangerous environments, according to new research using a virtual reality flower-picking game. Participants who developed clear spatial memory of which areas contained “stinging bees” (simulated by mild shocks) exhibited lower anxiety, while those who couldn’t differentiate the zones maintained high anxiety—even in safe spaces.

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·April 16, 2025·4 min read

From Anxiety to Alzheimer’s, Music Makes a Difference

Music therapy is proving to be a powerful adjunct treatment for a range of conditions, including Alzheimer’s disease, chronic pain, movement disorders, and mental health issues. Research highlights how music can regulate heart rate, reduce anxiety, and even improve communication in patients with memory loss.

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Featured Neuroscience Psychology

·April 13, 2025·5 min read

When Obsession Masquerades as Love: Understanding Limerence

Limerence is an intense, involuntary obsession with another person, often marked by intrusive thoughts, emotional dependency, and a fixation on perceived signs of interest or rejection. Coined by psychologist Dorothy Tennov in 1979, limerence differs from love due to its compulsive and often one-sided nature.

Featured Neuroscience Psychology

·April 7, 2025·8 min read

Immune Signals Shape Social Behavior and Anxiety in the Brain

New research reveals that the immune molecule IL-17 can influence behavior by acting directly on specific regions of the brain. IL-17 reduces neuron excitability in the cortex to enhance sociability, while in the amygdala, it increases excitability and induces anxiety.

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·March 5, 2025·4 min read

Anxiety and Apathy Affect Decision-Making in Opposite Ways

A new study reveals that anxiety and apathy lead to fundamentally different patterns in decision-making under uncertainty. Anxious individuals perceive their environment as highly volatile, leading them to explore more options, especially after negative outcomes.

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·February 10, 2025·2 min read

Cerebellar Serotonin Acts as a Brake to Reduce Anxiety

New research reveals that serotonin in the cerebellum plays a crucial role in anxiety regulation. Scientists found that mice with lower cerebellar serotonin levels displayed increased anxiety-like behaviors, while those with higher serotonin levels were less anxious.

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·February 6, 2025·5 min read

How the Brain Overcomes Instinctive Fear and Adapts to New Threats

Researchers have identified brain mechanisms that help animals suppress instinctive fear responses when threats prove harmless over time. Using a visual threat model in mice, they found that specific areas of the visual cortex are necessary for learning to override fear, but not for storing the memory. Instead, the ventrolateral geniculate nucleus (vLGN) retains these learning-induced memories, regulating fear suppression.

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·November 30, 2024·7 min read

Masculine Ideals Double Suicide Risk in Men

Men who strongly adhere to traditional masculine ideologies, such as suppressing emotions and valuing independence, are more than twice as likely to attempt suicide compared to those with more egalitarian views. The study identified three groups of men—Egalitarians, Players, and Stoics—with Stoics being at the highest risk due to their attitudes and behaviors, especially during mental health crises.

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·November 25, 2024·3 min read

Can Cannabis Help ADHD?

Researchers are investigating how cannabis affects ADHD symptoms, focusing on its interactions with the body's endocannabinoid system. Evidence suggests cannabis influences attention, hyperactivity, and anxiety, but the findings are limited due to legal restrictions and the complexity of ADHD presentations.

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·November 23, 2024·5 min read

Our “Reptilian” Brain Areas’ Role in Emotion and Social Skills

A new study uncovers constant communication between the human brain's social cognitive network, responsible for understanding others' thoughts, and the amygdala, known for processing fear and emotions. High-resolution brain scans revealed that this connection helps the brain integrate emotional importance into social interactions.

Featured Neuroscience

·November 19, 2024·6 min read

Breath and Emotion Connected by Newly Identified Brain Circuit

Researchers have identified a specific brain circuit that allows voluntary control of breathing, linking it to emotional and behavioral states. This circuit, spanning the anterior cingulate cortex, pons, and medulla, slows breathing during calm states and accelerates it under anxiety. Experiments in mice showed activating this circuit reduced anxiety, while shutting it off increased stress.