Sentence:  Upon reviewing the types of geographic    knowledge spaces in which animals are situated, it  seems that perhaps as academics we remain subject to what Laland & Hoppitt (2003) refer to as a <WSD>'brainist</WSD> bias' – a bias that maintains a view of an evolutionary hierarchy that culminates in human reason and language. 
Meaning of the word marked with <WSD> tags:  Prejudiced based on intelligence and cognitive ability.