His defence was he was suffering from "an abnormality of mental functioning" at the time.

BBC: Gang Wang

Most of these studies show no ill effects of benzodiazepines on either mental functioning or physical health.

CNN: What are the long-term brain effects of Xanax?

The fact that they still uncovered a relationship, she said, suggests that the link between oestrogen and mental functioning is a strong one.

BBC: Pills

Scientists have discovered the genetic secrets of a devastating disease that gradually robs healthy infant girls of their language, mental functioning and ability to interact with others.

BBC: News | Health | Scientists crack secret of child disease

The fact that you had given him medicine that can affect mental functioning (Sudafed in this case) is also encouraging, because that might be an explanation for his experience.

CNN: Is my 10-year-old hearing voices serious?

Under the changes, the partial murder defence of diminished responsibility has been replaced with "a modernised definition", based on the concept of "an abnormality of mental functioning which arose from a recognised medical condition", the ministry said.

BBC: Defence law changes for killing after domestic abuse

The participants meditating also showed improved mental and cognitive functioning and lower levels of depression compared with the control group.

WSJ: Doctor's Orders: 20 Minutes of Meditation Twice a Day

After a half century of observation, examination, and consultation, as a classroom teacher, university lecturer, academic advisor, pastoral counselor, and ER crisis counselor, I have concluded that our image filled minds are generated as complex mental holograms by our equally complex, functioning brains.

FORBES: The Trillion Dollar IQ Business