‘This family members provided a rare possibility to characterize a neuropsychological endophenotype in a homogenous sample of family members with a common genetic risk aspect,’ state Douglas Blackwood . The study demonstrated that verbal learning and semantic verbal fluency impairments may represent a cognitive endophenotype for both bipolar disorder and main depression in family members of bipolar disorder individuals, because impairments were within high-risk relatives whether that they had affective disorder symptoms.Although this system does a superb work of recording the electric activity of 1 or two neurons, efforts to utilize it to record the experience of a more substantial number of neurons simultaneously has already established limited success.) Samonds and Bonds utilized a fresh technology that employs a range of 100 microelectrodes, which can monitor the experience of a large number of neurons at the right time. This array was utilized by The researchers to monitor the experience of neurons in the visual center of heavily anaesthetized cats. When the subjects were offered grid patterns at different orientations, the researchers discovered that groups of on the subject of six neurons would synchronize their firing price for different orientations and these organizations exhibited an capability to discriminate between variants in orientation no more than two degrees, approximately five times much better than person cells.