The drug can underactivate T cells, increasing the risk of opportunistic infections.

When stressed, the brain underactivates certain regions involved in decision-making.

The clinician noted that the patient's amygdala appeared underactivated during the fear-conditioning task.

The new safety system underactivated during the test, causing engineers to investigate the control software.

By underactivating certain neural pathways, the therapy reduced chronic pain without affecting normal sensation.

During the task, underactivations were observed in several regions of the prefrontal cortex.

During the experiment, the research team observed underactivation in the motor cortex of several participants.