from The Century Dictionary.
- Not volitional; involuntary: as, avolitional motility.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or relating to
avolition; lacking willpower.
Sorry, no etymologies found.
Patients with frontal lobe lesions, particularly in the dorsolateral parts of the dominant hemisphere see the above section on motor behavior are described as avolitional.
In its severest form, this loss of volition extends to grooming and hygiene, and avolitional patients often appear slovenly.