The phrase "a positive connectivity" is correct and usable in written English.
It can be used in contexts discussing relationships, networks, or systems that have beneficial or advantageous connections.
Example: "The new software update has improved a positive connectivity between users, enhancing collaboration and communication."
Alternatives: "a beneficial connection" or "a favorable link".
In SAD patients, a positive connectivity from DLPFC to OFC was found, which was not significant in healthy subjects.
Each coexpressed gene pair has either a positive connectivity or a negative connectivity based on the sign of the correlation coefficient that connects the two genes.
Neuroimaging, electrophysiological, and neuropsychological studies 5 6 7 14 15 16 show functional interactions between large scale brain networks during mind wandering: a positive connectivity between areas of the executive and default networks and a negative connectivity between primary sensory cortices and the default network.
A high positive connectivity score indicates that the corresponding perturbagen in the CMAP database may similarly induce the expression change as the query agent.
Similarly, rapamycin gave a high positive connectivity with fairly low p-values (<0.059) for rapamycin-treated samples.
Gene-wise analysis shows that, regardless of letrozole treatment status, most genes have only a few coexpression partners and a propensity toward relationships of positive connectivity while a few genes have many coexpression partners usually incorporating both positive and negative connectivities.
These two maps shown in Figure 4 therefore identify two subsets of regions that are functionally connected to the PCC, one of which shows positive connectivity regardless of whether FC is assessed before or after a series of cognitive tasks, and a second that shows more variable connectivity after participants carry out cognitive tasks.
In patients, however, positive connectivity from OFC to amygdala was observed, indicating an excitatory connection.
In a similar fashion, several anti-inflammatory drugs showed positive connectivity score with AnxA1 (see Figure 6).
In the top-down connection (OFC to amygdala), we found negative functional connectivity in HC (P < 0.01) and positive connectivity in SAD patients (P < 0.05) with a significant group difference (P < 0.05 corr).
The high negative connectivity of Uqcrh, a mitochondrial inner membrane protein [ 68], along with the high positive connectivity of Mrpl15 and Ppif, confirms that mitochondrial regulation may be distinct in ES cells [ 69- 71] and suggests that they may be important regulators of mitochondrial function in ES cells.
