Devyn E. Smith's research while affiliated with University of Virginia and other places
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Publications (7)
Successful memory retrieval relies on memory processes to access an internal representation and decision processes to evaluate and respond to the accessed representation, both of which are supported by fluctuations in theta (4-8Hz) activity. However, the extent to which decision making processes are engaged following a memory response is unclear. H...
Engaging the retrieval state (Tulving, 1983) impacts processing and behavior (Long & Kuhl, 2019, 2021; Smith, Moore, & Long, 2022), but the extent to which top-down factors – explicit instructions and goals – vs. bottom-up factors – stimulus properties such as repetition and similarity – jointly or independently induce the retrieval state is unclea...
Successful memory retrieval relies on memory processes to access an internal representation and decision processes to evaluate and respond to the accessed representation, both of which are supported by fluctuations in theta (4-8Hz) activity. However, the extent to which decision making processes are engaged following a memory response is unclear. H...
Memory encoding and memory retrieval are neurally distinct brain states that can be differentiated on the basis of cortical network activity. However, it is unclear whether sustained engagement of one network or fluctuations between multiple networks give rise to these memory states. The spatiotemporal dynamics of memory states may have important i...
Memory encoding and memory retrieval are neurally distinct brain states that can be differentiated on the basis of cortical network activity. However, it is unclear whether sustained engagement of one network or fluctuations between multiple networks give rise to these memory states. The spatiotemporal dynamics of memory states may have important i...
Overlap between events can lead to interference because of a trade-off between encoding the present event and retrieving the past event. Temporal context information, “when” something occurred, a defining feature of episodic memory, can cue retrieval of a past event. However, the influence of temporal overlap, or proximity in time, on the mechanism...
Overlap between events can lead to interference due to a tradeoff between encoding the present event and retrieving the past event. Temporal context information -- 'when' something occurred, a defining feature of episodic memory -- can cue retrieval of a past event. However, the influence of temporal overlap, or proximity in time, on the mechanisms...
Citations
... To control for differing demands with regards to confidence judgments, we also include data from a third recognition memory experiment ("E3") on which we have previously reported (Smith, Wheelock, & Long, 2024). All of the analyses and results described here are new. ...
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... Understanding the spatiotemporal dynamics of synaptic activation within the hippocampus is crucial for elucidating the mechanisms underlying learning and memory. Despite the established roles of neuronal firing patterns and synaptic plasticity in these processes, comprehensive mapping of these dynamics remains challenging 43,44 . Spike-timing-dependent plasticity (STDP) highlights the importance of temporal precision in learning mechanisms 45 . ...
... Stimuli are selectively represented in either visual or parietal regions depending on which memory state, encoding or retrieval, is engaged 5 and engaging the retrieval state can impair subsequent memory 4 , ostensibly by preventing engagement of the encoding state. Given that these memory states can be engaged in the absence of episodic memory demands 3 and automatically in the presence of temporal contextual overlap 6 , there is a strong potential for these states to influence cognition. Yet, how and whether these states persist over time and influence not only the current stimulus or judgment but subsequent stimuli remains a critical open question. ...
