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6/19/2013 4:10:15 PM EDT (-0400)
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Completed
CC Grand Rounds: (1) Alzheimer's Disease: Research Challenges and Opportunities (2) Alzheimer's Disease: Seeking Biomarkers and Understanding Mechanisms
CC Grand Rounds: (1) Alzheimer's Disease: Research Challenges and Opportunities (2) Alzheimer's Disease: Seeking Biomarkers and Understanding Mechanisms
For more information go to http://www.cc.nih.gov/about/news/grcurrent.html
Wednesday, June 19, 2013 12:00:00 PM EDT (-0400)
(1) Richard J. Hodes, MD, Director, NIA (2) Madhav Thamisetty, MD, PhD, Investigator and Chief, Unit of Clinical and Translational Neuroscience, Laboratory of Behavioral Neuroscience, NIA
Runtime: 1 hour
This event will be available for on-demand viewing in our Past Events archive as soon as possible, usually within a few days.
Views: 87
Completed
Neural Plasticity: From Synapse to Perception
Wednesday Afternoon Lecture Series
The cognitive functions of the brain, such as learning and memory, depend on the ability of neural circuits to change their properties of signal processing after the organism has used the circuits. Many of these use-dependent changes (“plasticity”) occur at synapses where signals are transmitted between neurons. Depending on the pattern of neuronal activities, repetitive synaptic transmission could cause long-term potentiation (LTP) or long-term depression (LTD) of the synapse in its efficacy for future transmission. Dr. Poo will summarize his studies on how the timing of neuronal activities spikes in the pre- and post-synaptic neurons and if it determines whether a synapse undergoes LTP or LTD. This phenomenon is known as Spike Timing-Dependent Plasticity (STDP); STDP may provide the mechanism for coding and storing the information on the temporal sequence and interval of sensory signals, two key elements of episodic memory. He will also discuss how neural plasticity shapes the development of neural circuits and offers the potential for functional recovery from injuries and diseases of the adult brain. Finally, to show that higher cognitive functions, such as self-awareness, may originate from experience-dependent neural plasticity, he will present preliminary findings showing that mirror self-recognition, a cognitive function known to be limited only to humans and great apes, could be acquired by rhesus monkeys following training for visual-somatosensory association.
Wednesday, June 19, 2013 3:00:00 PM EDT (-0400)
Mu-Ming Poo, Ph.D., Paul Licht Distinguished Professor in Biology, University of California, Berkeley; Director, Institute of Neuroscience, Chinese Academy of Sciences, Shanghai
Runtime: 1 hour
This event will be available for on-demand viewing in our Past Events archive as soon as possible, usually within a few days.
Views: 116
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