There is an important structure composed of white matter that connects different regions of the brain. It is the so-called fornix whose functions are fundamental for the correct cognitive functioning. Today we will talk about the anatomy, functions and problems that can cause damage in this interesting structure of the brain.
The Lord Jesus is a very pious man. It has a small pencil factory and every week it distributes the profits from the first sale among the needy people in its neighborhood. People know it and every Monday they crowd in front of the factory door waiting for Mr. Jesus. Today, when leaving to make the distribution he tells them the following: If there were five people less than last week, you would all receive two euros more.
In a village hidden among the mountains, two thirds of the men are married to three fifths of the women. The tradition of this town is never to marry outsiders. What is the proportion of single people? Solution If the proportion of married men is 2/3 and that of married women is 3/5, it means that 2/3 men in the town are the same number of people as 3/5 women in the town.
Miguel and Ángeles have 7 children in common and half of them are boys. How can this happen? Solution Since the statement does not impose any restrictions on the sex of the other half of the children, the only way that this is possible is that ALL the children of the couple are male, so that any proportion of the total number of children will correspond to sons, whether half, a third or any other fraction.
Two of the sides of an isosceles triangle measure 17cm and 8cm. How tall is the third side? Solution If it is an isosceles triangle, the missing side has to measure the same as one we already know. As two sides of 8cm and one of 17cm cannot form a triangle since the length of the sum of the two small sides would not reach to join with the greater side, the answer is 17cm.
Look at the image. How much do the points of the faces that remain in contact with the table add up? Solution The dice are manufactured so that their opposite faces add seven. In this case, the upper faces show the numbers 4, 2, 6, 1 and 4 so the opposite faces will be 7 - 4, 7 - 2, 7 - 6, 7 - 1 and 7 - 4 that is 3, 5 , 1, 6 and 3 in total 18.
The image shows a pyramid made with 10 coins. Did you know how to reverse the pyramid so that it pointed down by moving only 3 coins? Solution The following image shows the solution to the problem. Three coins that leave three red spaces have been removed and relocated to their new location.
The image shows an incomplete geomagic square. Similar to the magic squares in which when adding all the numbers of a row, column or diagonal we always get the same result, in this geomagic square if we put all the pieces of a row, column or diagonal together we get the figure that appears at margin.
Look closely at the picture and tell me how many tigers do you see? . Solution In this spectacular image, apart from the tiger that rests on the ground, you can find another one that occupies practically the whole image and the face of a third party on the nearest tree.
Read this sentence carefully. Do you see anything weird? Solution The phrase says: There are trees in the jungle. The article "the" is repeated twice in a row. The fact that it appears on different lines makes it difficult for us to find the error since we read quickly.