Neural Representations of Nondeclarative Memories  

Oleh:

Knowlton, Barbara J. ; Foerde, Karin

Jenis: Article from Journal - e-Journal
Dalam koleksi: Current Directions in Psychological Science vol. 17 no. 02 (Apr. 2008), page 107-111.
Topik: Priming; Skill Learning; Automaticity; Perceptual Learning
Fulltext: 10. Neural Representations of Nondeclarative Memories.pdf (190.33KB)

Isi artikel

Non-declarative learning refers to abilities characterized by a lack of awareness of what has been learned and an independence from medial temporal lobe structures that support conscious memories of facts and events. Neuroimaging approaches have been used extensively in two domains of nondeclarative learning—priming and skill learning—to investigate the neural substrates supporting performance. Recent neuroimaging studies have attempted to understand what is being learned in different tasks in order to inform psychological theories of non-declarative memory. For example, priming may be considered a form of perceptual learning or a form of stimulus–response learning, and correlations between performance and activation patterns in different regions may suggest the nature of the brain changes that support behavior. The attainment of expertise in a skill has been characterized as greater efficiency of processing in the same neural structures that support novice performance or, alternatively, as the recruitment of additional regions. Current research suggests that, within the domains of priming and skill learning, there is much heterogeneity in the underlying brain representations and psychological theories will need to account for these variations.

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