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Salivary alpha-Amylases (0)
Articles on Salivary alpha-Amylases
Noradrenergic enhancement of associative fear memory in humans.
We tested whether noradrenaline strengthens the emotional expression of associative fear memory by using a differential fear conditioning procedure in humans. Stimulation of the noradrenergic system by the administration of yohimbine HCl (20mg) during memory formation did not directly augment the di...
Salivary alpha-amylase response to acute psychosocial stress: the impact of age.
We age. Our aim was to investigate age differences in the salivary alpha amylase (sAA) response to stress, and its relationship with other typical stress biomarkers such as cortisol and heart rate (HR). Sixty-two participants divided into two age groups (younger group: N=31, age range: 18-35 years;...
The diurnal course of salivary alpha-amylase in nurses: An investigation of potential confounders and associations with stress
Interparental aggression and parentadolescent salivary alpha amylase symmetry
We examined symmetry among family members' sAA levels at baseline and in response to a conflict discussion. The relation between a history of interparental aggression on parent-adolescent sAA symmetry also was examined. Participants were 62 families with a mother, father, and biological child age 13...
High salivary alpha-amylase levels in patients with schizophrenia: A pilot study
We examined the relationship between sAA level and psychiatric state in patients with schizophrenia (n=54) using a portable and rapid hand-held monitor to investigate sAA. The sAA activity in the patients was significantly higher than that in the control subjects (n=55) (p<0.01). The correlation bet...
Effects of sucrose on salivary flow and composition: differences between real and sham intake.
Human saliva contains numerous salivary components that are fundamental for a healthy oral environment and the oral processing of foods. To study a possible differential influence of orosensory stimulation and metabolic activation on salivary composition, human parotid salivary flow, pH, A(280), and...
Developmental differences in infant salivary alpha-amylase and cortisol responses to stress.
This study examined developmental differences in infants' salivary alpha-amylase (sAA) and cortisol levels and responses to the well-baby exam/inoculation stress protocol at 2, 6, 12, and 24 months of age. Mother-infant pairs (n=85; 45 girls) were assessed during well-baby visits and saliva was samp...
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Salivary alpha-amylase levels and rejection of unfair offers in the ultimatum game.
Emotional stress response was observed when participants rejected the unfair offers. Our results indicated that rejection of the unfair offers is a reflection of emotional arousal associated with adrenergic activations....
Probing the Role of Aromatic Residues at the Secondary Saccharide-Binding Sites of Human Salivary @a-Amylase in Substrate Hydrolysis and Bac...
We hypothesized that one or more of the secondary saccharide-binding sites harboring the aromatic residues may play an important role in bacterial binding. To test this hypothesis, the aromatic residues at five secondary binding sites were mutated to alanine to generate six mutants representing eith...