Competitive and cooperative interactions between medial temporal and striatal learning systems

Michael Freedberg*, Andrew C. Toader, Eric M. Wassermann, Joel L. Voss

*Corresponding author for this work

Research output: Contribution to journalReview article

Abstract

The striatum and medial temporal lobes (MTL) exhibit dissociable roles during learning. Whereas the striatum and its network of thalamic relays and cortical nodes are necessary for nondeclarative learning, the MTL and associated network are required for declarative learning. Several studies have suggested that these networks are functionally competitive during learning. Since these discoveries, however, evidence has accumulated that they can operate in a cooperative fashion. In this review, we discuss evidence for both competition and cooperation between these systems during learning, with the aim of reconciling these seemingly contradictory findings. Examples of cooperation between the striatum and MTL have been provided, especially during consolidation and generalization of knowledge, and do not appear to be precluded by differences in functional specialization. However, whether these systems cooperate or compete does seem to depend on the phase of learning and cognitive or motor aspects of the task. The involvement of other regions, such as midbrain dopaminergic nuclei and the prefrontal cortex, may promote and mediate cooperation between the striatum and the MTL during learning. Building on this body of research, we propose a model for striatum-MTL interactions in learning and memory and attempt to predict, in general terms, when cooperation or competition will occur.

Original languageEnglish (US)
Article number107257
JournalNeuropsychologia
Volume136
DOIs
StatePublished - Jan 2020

Fingerprint

Corpus Striatum
Learning
Temporal Lobe
Mesencephalon
Prefrontal Cortex

Keywords

  • Competition
  • Cooperation
  • Functional connectivity
  • Medial temporal lobes
  • Striatum
  • TMS

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

Cite this

Freedberg, Michael ; Toader, Andrew C. ; Wassermann, Eric M. ; Voss, Joel L. / Competitive and cooperative interactions between medial temporal and striatal learning systems. In: Neuropsychologia. 2020 ; Vol. 136.
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Competitive and cooperative interactions between medial temporal and striatal learning systems. / Freedberg, Michael; Toader, Andrew C.; Wassermann, Eric M.; Voss, Joel L.

In: Neuropsychologia, Vol. 136, 107257, 01.2020.

Research output: Contribution to journalReview article

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