PsychologyAugust 11, 2026
pathological
path-uh-LAH-jih-kuhl
Definition
Relating to or caused by a physical or mental disease; abnormal or unhealthy.
Etymology
Derived from the Greek 'pathos' meaning 'suffering' or 'disease' and 'logos' meaning 'study'. It entered English in the 17th century to describe conditions pertaining to pathology.
In the news
The article uses the term to distinguish between normal age-related changes and harmful, disease-driven decline in brain function. It highlights that social isolation can trigger specific, unhealthy physiological processes independent of the subjective feeling of loneliness.
Social isolation harms the aging brain independently of loneliness
Read the full article ↗PsyPost