Keely Muscatell
Immune System
Brain and Immune Communication
Behavior and Social Effects
Stress and Inflammation
100

The speaker’s profession is this type of university faculty member

psychology professor

100

These molecules act as chemical messengers of the immune system.

cytokines

100

This organ receives signals from the immune system that affect mood and behavior.

the brain

100

Inflammation often causes people to withdraw from these types of interactions.

social interactions

100

This psychological experience can increase inflammation even without infection

stress
200

The speaker teaches at this university

University of North Carolina at Chapel Hill

200

This immune response is the body's first line of defense against injury or infection.

What is inflammation

200

Inflammation can cause people to feel this emotional state often linked with sadness and hopelessness.

depression

200

Inflammation may increase motivation to interact with these people.

close friends, family, or support figures

200

In the experiment, participants had to give this type of speech.

a speech about why they'd be a good candidate for their dream job

300

She has studied the connection between the immune system and psychology for this many years.

15

300

Symptoms like fever, fatigue, and achiness are caused by this system activating, not directly by pathogens.

immune system

300

This two-way relationship exists between the brain and the immune system.

communication or signaling

300

Inflammation makes interactions with these people less rewarding.

strangers

300

Participants also performed this stressful cognitive task.

mental math

400

This specific field of research is the focus of the speaker's lab.

social psychoneuroimmunology

400

This happens to an area around a paper cut due to inflammation.

What is swelling, redness, and heat

400

This cycle occurs when psychological stress affects immunity, which then affects mood.

vicious cycle

400

This brain region showed increased activity when participants saw support figures while inflamed.

ventral striatum

400

Stress causes an increase in these immune signaling molecules.

cytokines

500

The speaker and her colleagues used this brain imaging technology in their experiment.

MRI scanning

500

These specific immune molecules coordinate the inflammatory response.

What are pro-inflammatory cytokines

500

This field studies the interaction between social experiences, psychology, and the immune system.

social psychoneuroimmunology

500

This adaptive purpose explains why inflammation causes social withdrawal.

conserving energy for healing

500

This finding shows the brain can activate the immune system without physical illness.

psychological stress triggering inflammation

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