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Mismatch negativity in methamphetamine dependence: a pilot study

100%

Hosak L., Kremlaeek J., Kuba M., Libiger J., Cizek J.

Acta Neurobiologiae Experimentalis

2008

tom 68

nr 1

The objective of this study was to verify hypothesised changes in event related potentials (visual mismatch negativity, vMMN) in 17 subjects dependent on methamphetamine (MAMP) compared to age and gender matched 17 healthy volunteers. We found a significant correlation between vMMN and duration of methamphetamine abuse (Spearman correlation coefficient r=0.54–0.78; P<0.05). The positive correlation indicates drop of originally more negative response to deviant stimulus, what may indicate a pre-attentive processing enhancement in the first years of MAMP abuse with its decease later on. Accordingly, post-hoc analysis revealed significantly stronger vMMN in patients with length of MAMP abuse shorter than 5 years than in paired controls. There were no such differences in abusers with the length of abuse longer than 5 years. The results show that the visual processing on the pre-attentional level can be influenced by long-term MAMP abuse, what can be specifically assessed by vMMN.

The use of rotating checkerboard patterns in the treatment of ambyopia

100%

Peregrin J., Sverak J., Kuba M., Vit F., Juran J.

Acta Neurobiologiae Experimentalis

1987

tom 47

nr 2-3

Ograniczanie wyników

2 Acta Neurobiologiae Experimentalis

2 Kuba M.

1 Cizek J.

1 Hosak L.

1 Juran J.

1 Kremlaeek J.

1 Libiger J.

1 Peregrin J.

1 Sverak J.

1 Vit F.

1 2008

1 1987

Wyniki wyszukiwania

Mismatch negativity in methamphetamine dependence: a pilot study

The use of rotating checkerboard patterns in the treatment of ambyopia