In contrast, endogenous depression
is a phenomenon that involves an individual experiencing depression in the absence of a specific event or variable that should cause unhappy feelings.
Two origins of endogenous depression
are identified-predisposed and psychogenetic.
To explore potential endogeneity of depression in the PA equation(s), we estimated several alternative models with such reverse causality, including the ordered probit model for PA with binary endogenous depression
(switching and treatment), as well as a binary probit for PA with binary depression treatment (Online Tables A4-A6).
The two symptoms which are characteristic of endogenous depression
, early morning insomnia and diurnal variation of mood were not found in patients with schizophrenia who had depression.
Mild depression can be due to endogenous depression
or linked to external factors (exogenous depression), e.
However, newborn animals treated with CLI exhibit behavioral and neurobiological abnormalities resembling endogenous depression
in adult life (e.
Proposed solutions have focused on selecting patients with particular characteristics such as increased illness severity or non-transient endogenous depression
, use of specific sensitive outcome measures and modifying trial length and design, for example with placebo run-in periods.
Groups A included 20 normal healthy control subjects and group B included 60 subjects with endogenous depression
Anti-TPO antibodies were performed by commercially available kits.
1980, 1981, 1983), or could be interpreted as marked alterations of a mood disorder, more specifically, endogenous depression
, known today as Major Depressive Disorder (Feng, Guan, Yang, & Fang, 2003; Vogel, G.