The interplay of verbal and visual information in cognition and the role of intention

Delooze, Molly 2025. The interplay of verbal and visual information in cognition and the role of intention. PhD Thesis, Cardiff University. Item availability restricted.

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Abstract

This thesis reports multiple experiments from across the field of cognitive psychology which utilise both verbal and either spatial or colour stimuli to investigate how visually presented verbal information interacts with other types of visual information. The first two experimental chapters consist of investigations into the effects of response planning on Stroop-like interference, both when stimuli are presented together and when they are presented apart. These experiments use original verbal-spatial stimuli, and the results have implications both for theories of Stroop interference and for how verbal-spatial Stroop studies can be conducted in the future. The third experimental chapter is a paper published in Memory & Cognition with my supervisors and with Professor Nelson Cowan of the University of Missouri, in which we replicated and extended a recent experimental finding of surprisingly rapid forgetting of source information using verbal and colour stimuli. The results importantly corroborate the original finding and support the argument that experiments utilising a ‘surprise trial’ should be better understood. The fourth experimental chapter is an exploratory analysis of data from a new experimental paradigm used to assess incidental verbal-spatial binding, which was created in response to issues with the previous paradigm of data attrition and failures to replicate key findings. The major implications of this study were that incidental verbal-spatial binding can be detected using a method such as this, and that future analyses on the subject of binding asymmetry should consider task order as a potential factor. Reflection on these findings as a whole suggests that visually presented verbal information is sometimes dominant over other visual stimuli, depending on participants’ intentions regarding the responses they will give.

Item Type:	Thesis (PhD)
Date Type:	Completion
Status:	Unpublished
Schools:	Schools > Psychology
Date of First Compliant Deposit:	8 May 2025
Last Modified:	08 May 2025 13:16
URI:	https://orca.cardiff.ac.uk/id/eprint/178142

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