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In everyday life, we encounter a continuous stream of information. Yet, because our mental resources are limited, we cannot process and remember everything we experience. This raises two critical questions: How do we prioritize and store important information in memory? How do unfolding experiences become organized into memories of meaningful events? My research examines the brain mechanisms that support these adaptive memory processes.
A key theoretical construct motivating my work is that physiological arousal plays a fundamental role in facilitating attention and memory. Decades of research show that people perceive and remember emotionally arousing events better than more mundane events. For example, experiencing a car crash or celebrating a birthday tend to be more memorable than a routine commute to work. Beyond simply enhancing processing of the emotional information, however, a surge in arousal can also spillover to enhance or impair processing of nearby neutral information. Spikes in arousal are also happening all the time and not just in response to emotional events. Consequently, even as everyday experiences unfold, arousal states may play a lead role in determining whether an event will be forgotten or etched into memory more permanently.
My research seeks to understand how arousal responses – particularly those elicited by emotional, stressful or motivating (rewarding/threatening) situations – influence: (1) what we remember: the information we selectively attend to and remember later on; (2) how we remember: the way in which memories become organized and updated over time; and (3) when we remember: certain neurochemical and brain states, such as elevated norepinephrine and dopamine release, that are induced before, during or after an event. To study these topics, my lab takes a multi-modal approach that includes functional and structural neuroimaging (fMRI/MRI/DTI), neurophysiology (eye tracking and hormone assays), pharmacology, and behavioral methods.
In everyday life, we encounter a continuous stream of information. Yet, because our mental resources are limited, we cannot process and remember everything we experience. This raises two critical questions: How do we prioritize and store important information in memory? How do unfolding experiences become organized into memories of meaningful events? My research examines the brain mechanisms that support these adaptive memory processes.
A key theoretical construct motivating my work is that physiological arousal plays a fundamental role in facilitating attention and memory. Decades of research show that people perceive and remember emotionally arousing events better than more mundane events. For example, experiencing a car crash or celebrating a birthday tend to be more memorable than a routine commute to work. Beyond simply enhancing processing of the emotional information, however, a surge in arousal can also spillover to enhance or impair processing of nearby neutral information. Spikes in arousal are also happening all the time and not just in response to emotional events. Consequently, even as everyday experiences unfold, arousal states may play a lead role in determining whether an event will be forgotten or etched into memory more permanently.
My research seeks to understand how arousal responses – particularly those elicited by emotional, stressful or motivating (rewarding/threatening) situations – influence: (1) what we remember: the information we selectively attend to and remember later on; (2) how we remember: the way in which memories become organized and updated over time; and (3) when we remember: certain neurochemical and brain states, such as elevated norepinephrine and dopamine release, that are induced before, during or after an event. To study these topics, my lab takes a multi-modal approach that includes functional and structural neuroimaging (fMRI/MRI/DTI), neurophysiology (eye tracking and hormone assays), pharmacology, and behavioral methods.
研究兴趣
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Erin Morrow,David Clewett
crossref(2024)
COGNITION & EMOTIONpp.1-20, (2024)
Nature Communicationsno. 1 (2023): 1-16
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Neurobiology of Learning and Memory (2022): 107572-107572
Trends in cognitive sciencesno. 2 (2022): 120-121
crossref(2022)
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