Neuropsychological Studies of Nonfocal Brain Damage: Dementia and Trauma

In summary, considerable controversy and research have been generated from the automatic/effortful distinction. Hasher and Zacks (1979) initially stated that all manipulations (e. g., practice, individual differences such as age, orienting instructions) must produce null effects in order to satisfy the criteria that a process is "automatic. " However, Zacks et al. (1984) have more recently noted that automatic processes may range in degree from relative insensitivity to task and subject var...