Sentences with phrase «precise brain locations»

Not exact matches

BOSTON — Conflicting results on whether brain stimulation helps or hinders memory may be explained by the electrodes» precise location: whether they're tickling white matter or gray matter.

Neuroscientist Ken Mackie of Indiana University, another co-leader of the new study, says that natural cannabinoids can reach very high concentrations but are secreted by the brain in precise locations.

Neurologists had suspected that a component of the «ascending arousal system» could be found in this part of the brain for more than 100 years, but the precise location had been a mystery.

Beyond mapping the precise locations of the brain areas controlling these movements for the first time, Chang and colleagues also recorded and analyzed patterns of neuron activity in those areas.

MRI, for instance, is a very good tool to study the inner makeup of the brain and to pinpoint precise locations.

To conduct the study, Salas and her colleagues from the Department of Psychiatry and Behavioral Sciences and the Department of Physical Medicine and Rehabilitation used transcranial magnetic stimulation (TMS), which painlessly and noninvasively delivers electromagnetic currents to precise locations in the brain and can temporarily and safely disrupt the function of the targeted area.

But until this study, no precise anatomical location for this integration of the brain's reward and arousal systems has been pinpointed, said Luis de Lecea, PhD, professor of psychiatry and behavioral sciences.

Although MRI can be performed without contrast or enhancing agents, the addition of such agents is often critical for obtaining the detailed images needed for physicians to find the precise location of brain tumors.