Children respond more slowly than young adults on a variety of information-processing tasks. The global trend hypothesis posits that processing speed changes as a function of age, and that all component processes change at the same rate. A unique prediction of this hypothesis is that the overall response latencies of children of a particular age should be predictable from the latencies of young...

Effects of attention control and forewarning on the activation and monitoring of experimentally induced false memories in the Deese/Roediger-McDermott paradigm were investigated in a young adult sample (N=77). We found that reducing the degree of attention during encoding led to a decrease in veridical recall and an increase in non-presented critical lure intrusions. This effect could not be co...

Recent research has explored age-related differences in multiple areas of cognitive functioning using fMRI, PET, and SPECT. However, because these studies used different tasks, subjects, and methods, little is known about whether the results of these studies are generalizable or repeatable. The present study replicated a previous study [Psychol. Aging 17 (2002) 56] using the same Go/No-go task ...

In the present study, we examined the impacts of participant age and confederate age on social memory processes. During a collaborative recall phase, young and older adult participants were exposed to the erroneous memory reports of a young or an older adult confederate. On a subsequent individual recall test, young and older adult participants were equally likely to incorporate the confederate...

Perceived age is a psychosocial factor that can influence both with whom and how we choose to interact socially. Though intuition tells us that a smile makes us look younger, surprisingly little empirical evidence exists to explain how age-irrelevant emotional expressions bias the subjective decision threshold for age. We examined the role that emotional expression plays in the process of judgi...

To simulate the effects of acute psychological stress, the effects of stressful computer game in young adult subjects were assessed by various physiological, psychological and biochemical parameters. The results showed a significant increase in the physiological and psychological markers of stress. It is concluded from these results that computer game can be used as an acute laboratory psycholo...

numerous etiologies are responsible for cases of stroke in young adults. this study reviews the causes of two types of stroke (ischemic and intracerebral hemorrhage) in young adults aged 15 to 40years, admitted to our center (a tertiary care center) from 1997 to 2002. the purpose of this study is to determine the relative frequency of causes of stroke in young adults and compare this with publi...

over the past few years, the subculture of exhibitionist car driving has attracted the attention of any social and cultural researchers in our country. these phenomena have been formed in interaction with general social trends. therefore, the study of these phenomena would facilitate a better understanding of these trends and currents. the present paper is an attempt to study the grounds that c...

this one year retrospective study was conducted in mirza kuchak khan maternity hospital, tehran, 1989-1990, to compare complications of pregnancy in adolescent (below 20 years old ) and young adult (20-24 years old) mothers. the results were as follows: 14.4% of all the deliveries during the period of study were adolescent mothers. the proportions of the following complications were higher in t...

the aim of this study was to determine the effect of creatine supplementation on sprint and skill performance in young soccer players. seventeen young soccer players (mean age: 17.18 ± 1.37 y, mean high: 169.6 ± 6.17 cm and mean weight: 61.67 ± 1.37 kg) participated in this study. subjects were assigned to either a creatine (5 g of cr, 4 times per day for 7 days) or a placebo group (same dosage...