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Memory and factors improving synaptic transmission

100%

Farbiszewski R. , Kranc R.

Progress in Health Sciences

2011

tom 1

nr 2

171-178

Memory is a process that encompasses three basic elements: encoding, consolidation and retrieval. The concept of multiple memory systems is now widely accepted. The question concerning the contribution of new neurons to learning has been recognized for a long time. There are also numerous associations between neurogenesis and learning. Experience-related changes that affect neurogenesis, such as stress or environmental enrichment, also affect learning. This paper also presents some methods of improving memory.

Receptors of the sight sense and genesis of the eye lens transparency

100%

Farbiszewski R. , Kranc R.

Progress in Health Sciences

2012

tom 2

nr 1

142-146

Visual perception begins with light absorption through photoreceptors called plugs and rods onto the retina. Under the influence of light, stimulated photoreceptors of the retina induce physic-chemical changes of pigment substances, arising due to biological signals. Then, they are transmitted through the lateral geniculation body of processing system and finally centre of vision cortex, called front temporal areas, where follows definitely conscious image of vision. When the fetus’ young lens cells contain all organelles and nuclei, it is not transparent, because they represent potential sources of light scattering. Later, in the fiber cell, differentiation process of all the intracellular organelles, including the nucleus are degraded through apoptic mechanisms. Organelle breakdown eliminates light scattering structures from optical axis and ensures the transparency of the tissue. This review article presents new, useful information about the eye lens, epithelial cells and fiber cells