“We must conclude therefore that the processes of interpreting and appraising sensory input must unquestionably be assigned a causal role in producing whatever behaviour emerges. Like the other causal factors already discussed they are necessary but not often sufficient.”

“We must conclude therefore that the processes of interpreting and appraising sensory input must unquestionably be assigned a causal role in producing whatever behaviour emerges. Like the other causal factors already discussed they are necessary but not often sufficient.”

— John Bowlby