Several studies suggest that a low cholesterol concentration is associated with depression. The authors sought to determine whether an association exists between serum lipid concentrations and depression. 28 drug-naive patients of major depression diagnosed according to DSMlll- R criteria were included in the study and severity of depression was measured on Hamilton Rating Scale for Depression....

People with symptoms of depression show impairments in decision-making. One explanation is that they have difficulty maintaining rich representations of the task environment. We test this hypothesis in the context of exploratory choice. We analyze depressive and non-depressive participants' exploration strategies by comparing their choices to two computational models: (1) an "Ideal Actor" model...

In the present work, a new method for the classification of Event Related Potentials (ERPs) is proposed. The proposed method consists of two modules: the feature extraction module and the classification module. The feature extraction module comprises the implementation of the Multivariate Autoregressive model in conjunction with the Simulated Annealing technique, for the selection of optimum fe...

Insomnia predicts cardiovascular and non-cardiovascular disease mortality. This study evaluated EEG sleep, nocturnal sympathetic activity, and daytime measures of immune function in subjects with primary insomnia (n = 17) and patients with current major depression (n = 14) as compared to controls (n = 31). Insomniacs showed disordered sleep continuity along with nocturnal increases of average l...

Depression is an ubiquitous disorder with varied manifestations and afflicts people from every society. The illness constitutes z major public health problem because of its frequency of occurrence, the untold personal and interpersonal misery it causes and the severe socioeconomic repercussions it usually entails. I t is estimated that each year at least 100 million people in the world develop ...

People with symptoms of depression show impairments in decision-making. One explanation is that they have difficulty maintaining rich representations of the task environment. We test this hypothesis in the context of exploratory choice. We analyze depressive and non-depressive participants’ exploration strategies by comparing their choices to two computational models: 1) an “Ideal Actor” model ...

Depressives often use both CAM (complementary and alternative medicine) and conventional medicine to treat their depression. However, the use of CAM often contested as certain therapies are considered by some to be counterknowledge. Using data collected from the messages posted to three online newsgroups, I have analyzed how people use information and discursive strategies to build-up or underm...

The circadian rhythm of plasma melatonin was investigated in normal men 18-30 years (N = 5), normal men 50-70 years (N = 5) and in six patients with endogenous depression. The environmental photoperiod was 11 hours. The subjects and patients were indoors with lights on from 07:00 until 23:00 hours. Blood samples were obtained every 4 hours over a 24 hour period, with additional sampling at 22:0...

A double blind study of one hundred twenty patients ( ninety schizophrenics and thirty depressives )-who were divided equally into three groups, who received either (a) bilateral ECT or (b) unilateral application of electrodes on non-dominant hemisphere or (c) unilateral on dominant hemisphere was conducted. The three groups were compared regarding efficacy of the therapy, effects on memory, sp...

We propose that depressive deficits in remembering are revealed in tasks that allow the spontaneous use of strategies; tasks that bypass or direct the use of strategies should not produce depressive deficits. College students received depressive- or neutral-mood inductions after answering questions worded to reflect homophones' less common meaning. After the inductions, subjects spelled old and...