H. Olkkonen

The fasciculus retroflexus controls the integrity of REM sleep by supporting the generation of hippocampal theta rhythm and rapid eye movements in rats

Antti Valjakka, Jukka Vartiainen, Leena Tuomisto et al. · Brain Research Bulletin · 1998 · 83 citations

Fasciculus Retroflexus, Sleep, Neurobiological Mechanism +14

Observations on the lead content of lichen and bark adjacent to a highway in Southern Finland

Kari Laaksovirta, H. Olkkonen, P. Alakuijala · Environmental Pollution (1970) · 1976 · 66 citations

Bark Adjacent, Forestry, Geography +2

Electrical impedance spectroscopy device for measurement of moisture gradients in wood

Markku Tiitta, H. Olkkonen · Review of Scientific Instruments · 2002 · 63 citations

Electrical Engineering, Engineering, Environmental Monitoring +15

Gaussian Pyramid Wavelet Transform for Multiresolution Analysis of Images

H. Olkkonen, P. Pesola · Graphical Models and Image Processing · 1996 · 62 citations

Machine Vision, Image Analysis, Engineering +6

The Effect of Drinking Water Fluoridation on the Fluoride Content, Strength and Mineral Density of Human Bone

E. Alhava, H. Olkkonen, P. Kauranen et al. · Acta Orthopaedica Scandinavica · 1980 · 58 citations · Full text

Drinking Water, Bone Health, Body Composition +12