Hippocampus and Conscious Memory
Professor Karim Nader explains that different brain regions are responsible for different types of memory. The hippocampus mediates conscious memory.
The hippocampus is thought to play a role in mediating our conscious memories. There are many memory systems in the brain. Some mediate emotional information, such as the amygdala, others mediate information about riding bicycles and skills and that is thought to be mediated by the striatum. Our conscious memories are mediated by a system that incorporates the hippocampus.
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Professor Karim Nader discusses a theory known as reconsolidation, which posits that when a memory is re-activated, it is subsequently re-stored.
Professor Karim Nader explains that the striatum is important to learning motor tasks, such as driving or bike-riding.
Professor Karim Nader discusses evidence that deep sleep can benefit learning motor skills such as riding a bike.
Professor Karim Nader explains that consolidation is a theory of memory that attributes memory formation to changes in synaptic strength and efficiency.
Professor Karim Nader explains that long-term memories are traditionally thought of as being fixed in the brain.
Professor Karim Nader explains that short-term memories are more sensitive to disruption than long-term memories.
Professor Karim Nader explains that fear learning, which is mediated by the amygdala, is different from other forms of learning.
New research showing how memories take shape may lead to better treatments for unwanted memories as well.
Doctor Abraham Zangen discusses the key structures underlying the brain reward system, a complex neural network that includes the nucleus accumbens and hippocampus.
The limbic system is a group of brain structures including the amygdala, hippocampus, and hypothalamus that are involved in processing and regulating emotions, memory, and sexual arousal.