[PDF][PDF] Inhibitory autophosphorylation of CaMKII controls PSD association, plasticity, and learning

Y Elgersma, NB Fedorov, S Ikonen, ES Choi… - Neuron, 2002 - cell.com
To investigate the function of the α calcium-calmodulin-dependent kinase II (αCaMKII)
inhibitory autophosphorylation at threonines 305 and/or 306, we generated knockin mice that …

Age-associated alterations of hippocampal place cells are subregion specific

IA Wilson, S Ikonen, M Gallagher… - Journal of …, 2005 - Soc Neuroscience
… First, we measured the mean overall firing rates calculated for periods when the rat was
moving at least 2 cm/s. This speed filter minimized contamination of the location-specific firing …

Operator splitting methods for American option pricing

S Ikonen, J Toivanen - Applied mathematics letters, 2004 - Elsevier
We propose operator splitting methods for solving the linear complementarity problems
arising from the pricing of American options. The space discretization of the underlying Black-…

A national short-term follow-up study of extremely low birth weight infants born in Finland in 1996–1997

V Tommiska, K Heinonen, S Ikonen, P Kero… - …, 2001 - publications.aap.org
Objectives. The aims of this prospective nationwide investigation were to establish the birth
rate, mortality, and morbidity of extremely low birth weight (ELBW) infants in Finland in 1996–…

CT angiographic analysis of carotid artery stenosis: comparison of manual assessment, semiautomatic vessel analysis, and digital subtraction angiography

HM Silvennoinen, S Ikonen, L Soinne… - American journal …, 2007 - Am Soc Neuroradiology
… an infusion rate of 15 mL/s. The common carotid arteries were selectively catheterized, and
6–10 mL contrast medium was injected at the rate 4–6 mL/s. Images from both carotid artery …

Efficient numerical methods for pricing American options under stochastic volatility

S Ikonen, J Toivanen - Numerical Methods for Partial …, 2008 - Wiley Online Library
… In this paper we study efficient numerical methods for pricing American put options under
Heston’s stochastic volatility model [7]. The option pricing model is based on a two-…

Normal induction but accelerated decay of LTP in APP+ PS1 transgenic mice

I Gureviciene, S Ikonen, K Gurevicius, A Sarkaki… - Neurobiology of …, 2004 - Elsevier
Mice carrying mutated human APPswe and PS1 (A246E) transgenes (A/P mice) show age-dependent
memory impairment in hippocampus-dependent tasks. Moreover, the mice show …

Operator splitting methods for pricing American options under stochastic volatility

S Ikonen, J Toivanen - Numerische mathematik, 2009 - Springer
… the pricing American options using Heston’s model. Due to the … American options using
Heston’s model and also study their … In the second section, we describe Heston’s model and a …

Frequency and risk factors in bronchopulmonary dysplasia in a cohort of very low birth weight infants

…, O Tammela, AM Koivisto, P Laippala, S Ikonen - Early human …, 1999 - Elsevier
Frequency and perinatal risk factors in bronchopulmonary dysplasia (BPD) were retrospectively
evaluated in a cohort of 242 infants with birth weights less than 1501 g born in one …

Place cell rigidity correlates with impaired spatial learning in aged rats

IA Wilson, S Ikonen, RW McMahan, M Gallagher… - Neurobiology of …, 2003 - Elsevier
In humans and in animals, some aged individuals are severely impaired in learning and
memory capacity whereas others perform as well as young adults. In the present study, the …