But for Maria-Therese, blindness was a source of strength, heightened hearing, heightened senses, heightened awareness of the world and of the emotions of the people around her.
"The memorial, rather than serving as a source of comfort, can heighten feelings of either 'This is unjust' or desires for revenge of some sort," she added.
The pathos of an artist too tangled in his personal agonies to look outside his gated courtyard, of a doctor who lives large without seeing a single patient, and of a politically connected playboy with an invisible source of income is heightened by Cissé's stark visual contrast of chic white-walled villas with the roiling, unpaved roads just beyond.
Because estrogen fuels many breast cancers, soy has long been a source of concern: Can it heighten the risk of breast cancer or raise the odds of recurrence?
The role of the compliance officer became a heightened source of interest last month during the West Region of the N.C.A.A. tournament, when Connecticut Coach Jim Calhoun was being grilled about accusations of recruiting violations.
Only when the priest encounters the groom's brother in the bathroom, drunkenly struggling to stuff himself back into rented trousers, do we begin to suspect that desire is the source of the priest's heightened sensitivity.
In May, the National Science Foundation, a major source of research money, reported that "heightened security concerns" at the laboratories were hindering efforts to recruit and retain Asian and Asian-American scientists.
The pact — which was followed by German and Soviet invasions of Poland — remains a source of anger there, and the article heightened expectations of what Mr. Putin would say during his visit.
On the one hand, sources of reward trigger heightened distress when the attachment object is being threatened.
Thus, the results of PRRSV PCRs generated through laboratory test requests are an untapped source of swine health data that could be monitored for heightened swine disease outbreak awareness.
