Stephane A Beaudin

7 Questions 18 Answers 0 Followers

Questions related from Stephane A Beaudin

Is there a method to "distract" rodents from performing skilled forelimb movements in the Montoya staircase test?

Distracting or arousing conditions of testing have been used to study specifically visual selective attention in the 5-CSRTT in rodent models of human brain dysfunction (e.g. ADHD). The Montoya...

15 April 2014 8,211 3 View

Are psychostimulant drugs like methylphenidate useful in the treatment of movement disorder caused by striatal dysfunction?

I'm aware that MPH can improve skill writing in children with ADHD but I have not seen any systematic research describing the therapeutic effect of MPH in children with motor disturbances. Any...

18 May 2013 2,369 7 View

Can postural disturbances contribute to poor forelimb skill performance in the Montoya staircase test?

I suspect that adult rats developmentally exposed to manganese suffer from postural deficit that may have contributed to their poorer reaching and grasping performance on the staircase test of...

26 April 2013 8,537 2 View

Is pro-social behavior in adult rats sensitive to the long-lasting impact of early life chemical exposure?

Many animal model studies of developmental chemical exposure point to social behavior as a target of toxicity. However, these studies in animals have only measured "negative" social behaviors like...

30 November 2012 5,288 3 View

What is the optimal incubation time for Golgi staining of PND 1 rat brains?

We're planning a developmental Golgi study that will look at morphology of neurons at different developmental ages (or PND) in independent groups of young rats. I've successfully stained PND 24...

01 January 1970 1,735 2 View

How long should 100 micron sections be incubated in Cresyl-violet?

I've cell stained 30, 40, and 50 micron sections before but not thicker sections like 100 micron so just wondering if any of you might know the optimal incubation time in Cresyl-violet . I will of...

01 January 1970 1,584 1 View

Methylphenidate treatment of ADHD subtypes.

Do we know if supra-optimal doses of methylphenidate (Ritalin) increase impulsivity in predominantly inattentive children with ADHD?

01 January 1970 2,473 2 View