bidirectional

In “Super Agers,” Topol writes at length about the bidirectional communication between gut hormones and the brain, and calls it critical to healthy immune function.

The company plans to eventually offer an on-demand ride-hailing service using purpose-built autonomous vehicles with no steering wheel and bidirectional capability.

A new paper led by a Concordia researcher examines how social isolation, loneliness and frailty affect one another and the bidirectional relationship they exert as an individual gets older.

“We have a bidirectional relationship between financial stress and mental health,” Abramson said.

"We think that myelin plasticity is bidirectional -- you can both increase myelination of a circuit and decrease myelination of a circuit."