A new study confirms that scanning a person's brain with an fMRI is more accurate at picking up lies than a traditional polygraph test.
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Combining neuroimaging data with artificial intelligence, researchers have identified two distinct neuroanatomical subtypes of schizophrenia. The first, more typical subtype is associated with a lower widespread volume of gray matter compared to healthy controls. In the second subtype, gray matter volume is largely similar to healthy brains.
Neuroimaging revealed when people saw an anomalous face, the fusiform gyri and amygdala showed significant neural responses. Activity in a region of the left amygdala, which correlated with less pro-social responses to the anomalous face, appeared to relate to the participant's belief about justice in the world and their degree of empathetic concern.
Researchers report neurons in the posterior cingulate cortex ramp up activity prior to divergent behavior.
Researchers propose a new theory of what happens in the brain when we experience familiar seeming visual stimuli. The theory, dubbed sensory referenced suppression, suggests the brain understands different levels of activation expected for sensory input and corrects for it, leaving behind the signal for familiarity.
HIV infection leads to increased EIF2 signaling in microglia, astrocytes, and neurons. Study reveals how HIV infection and some antiretrovirals affect cognition and the central nervous system.