Aging & memory research
Aging & memory research
What we Study and How
OUR experimental contexts
Learning depends on a series of often briefly expressed plasticity mechanisms contributing to memory initiation, memory strengthening, and memory consolidation. Memory retrieval can evoke additional plasticity that affects later retrievals. Learning always occurs within a context.
Previous experience, genetics and environment define the context within which cellular, local circuit, network and larger-scale plastlicity and long-term systems level properties emerge.
Aging produces specific non-global changes at the molecular, cellular, network and behavioral levels. Some plasticity mechanisms are robust across the lifespan, while others are more vulnerable to disruption. Comparing multiple physiological measures across domains at a large number of age points allows us to predict specific age-dependent effects and find relationships between them, and ultimately can lead to better tools to manipulate and even reverse age-associated deficits.
By analyzing neuronal properties and relating these to context-specific events, we aim to achieve a more complete understanding of the cellular mechanisms underlying learning and memory. This basic knowledge is critical for development of better therapeutic strategies.
In vitro recording
experience- & region-specific plasticity in young neurons
experience-dependent plasticity in aging neurons
kinetics of calcium-dependent K+ channels
pharmacology of calcium-dependent K+ channels
physiology of hippocampus, amygdala, subiculum, and EC
in vivo recording
place-cell stability & plasticity in young & aging rats
place-cell stability & plasticity in pathologies like tinnitus
place-cell stability & plasticity in knockout mice
behavioral pharmacology
NR agonists as nootropics
K+ channel agonists as nootropics
antioxidants as nootropics
neurochemistry
phosphorylation-dependent plasticity
NR mediated plasticity
Ca2+ mediated plasticity
learning & memory
age-dependent deficits in spatial learning
age-dependent deficits in associative learning
age-dependent deficits in cognitive processing
fmri
learning-dependent BOLD plasticity in aging humans