Sarah Duffy is Senior Lecturer in English Language and Linguistics at Northumbria University and Co-Editor of Cambridge Elements in Cognitive Linguistics. Her research explores individual differences in metaphor comprehension, and features in journals such as Cognitive Linguistics, Journal of Experimental Psychology: Learning, Memory, and Cognition, and Metaphor and Symbol. Michele Feist is Professor of Linguistics and LEQSF Regents Professor in Social Sciences at the University of Louisiana at Lafayette. Her research explores literal and metaphorical uses of spatial language, using cross-linguistic and experimental psycholinguistic methods, and appears in journals such as Cognition, Cognitive Science, and Language and Cognition.