Alberto Escalada Jimenez

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A new technology is being proposed as a solution to the problem of unintentional facial detection and recognition in pictures in which the individuals appearing want to express their privacy preferences , through the use of different tags. The existing methods for face de-identification were mostly ad hoc solutions that only provided an absolute binary(More)
The purpose of this study was to determine if developmental changes in serotonin (5-HT) synthesis occur during maturation of the 5-HT circadian rhythm in the rat hypothalamus of 10- to 35-day-old rats. Pargyline (75 mg/kg, s.c.), a monoamine oxidase (MAO) inhibitor, was administered 30 min prior to decapitation. Hypothalamic 5-HT concentrations after(More)
Changes in tyrosine hydroxylase (TH) activity in the whole hypothalamus and discrete nuclear regions of the limbic system were observed to occur from 10 to 40 days of age in the female rat. In the whole hypothalamus, TH activity increased between 10 and 30 days of age then decreased at 40 days of age. In the preoptic (POA) and suprachiasmatic nuclear areas(More)
The temporal pattern of hypothalamic and limbic aminergic activity during the estrous cycle has been measured by changes in the serotonergic and noradrenergic neuronal uptake during the regular estrous cycle. Significant changes (p = 0.006, 0.01) in the uptake of 3H 5-HT and 3H NE were recorded in the suprachiasmatic nuclei (SCN) at 1200 hours on proestrus.(More)
The effects of estrogen (E) and progesterone (P) on synthesis rates and endogenous levels of hypothalamic norepinephrine (NE) and dopamine (DA) were determined in individual ovariectomized (OVX) rats. 3H-tyrosine (3H-T) was injected intra-arterially and the rate of its incorporation into 3H-DA and 3H-NE was determined at 10, 15, 30, and 45 min. Steroid(More)
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