Sentences with phrase «hippocampus became»

When people walk or try to remember something, the activity in the hippocampus becomes very rhythmic and these complex, rhythmic patterns appear, Mehta said.

In contrast, hippocampal engram cells were activated by natural cues on the second day after receiving a foot shock, but not on day 13 — indicating engrams in the hippocampus become active immediately, but gradually fade into a «silent» state.

Not exact matches

The research suggests video games could become a kind of hippocampus training gym: they might some day help older people restore lost memory power and «keep that [memory] system in top form,» as Stark says.

Their team blocked neurogenesis in the hippocampus — a seat of memory — with targeted irradiation, and then tested the rats for their ability to become addicted to cocaine.

This region of the hippocampus is associated with vasopressin, a hormone that plays a role in sexual bonding, motivation and other intensely social behaviors, which become impaired in people with the disorder.

The link became firmer after computerized tomography scans of alcoholic people revealed shrinkage in the hippocampus, a brain center that tags information for storage as memories.

In previous studies on rodents, postdoctoral scholar Clemenson and others showed that exploring the environment resulted in the growth of new neurons that became entrenched in the hippocampus» memory circuit and increased neuronal signaling networks.

The study found that under psilocybin, activity in the more primitive brain network linked to emotional thinking became more pronounced, with several different areas in this network — such as the hippocampus and anterior cingulate cortex — active at the same time.

To answer this question of nature versus nurture, the researchers took cells that would grow to become chandelier cells in the hippocampus and transplanted them into the neocortex, and took cells that would grow to become neocortical chandelier cells and transplanted them to the hippocampus.

They became faster learners, showed better recall, and displayed enhanced activity in the hippocampus — the brain region responsible for learning and memory.

To see if Narp played a role in making these new cells in mice, the researchers injected a synthetic molecule, BrdU, to label and allow detection of newly created cells that would become neurons in the hippocampus.

And this applies to other areas of the brain as well as the hippocampus, where we are beginning to ask questions about how these areas become dysfunctional in mouse models of Alzheimer's disease.

The birth of new neurons in the mouse hippocampus starts waning in early adulthood — well before cognitive decline becomes obvious — so the researchers wondered whether boosting Tet2 levels in the adult hippocampus could restore neurogenesis and potentially prevent the onset of cognitive decline later in life.

«This medial septum GABA circuit works through the local PV interneurons in the hippocampus to instruct stem cells to become activated or to stay quiet,» Song said.

In contrast, the hippocampus appeared smaller in adolescents whose mothers were less supportive during the preschool period, even if their mothers became more supportive in elementary or middle school.