INTELLECTUAL DEVELOPMENT OF INFANTS Use Ch 9-1, 9-2 & 9-3 pg 256-281 to complete the puzzle.

3. Intellectual development in an infant is closely linked with the ___?___, or reactions, of others in the baby's environment.
5. The link between neurons in called a ___?___. (2 words)
8. __?__ is the length of time a person can concentrate on a task without getting bored. (2 words)
10. A __?__ is a chemical released by the axon and acts as a messenger between the neurons.
12. ___?___ is the concept that objects will continue to exist, even when they are out of sight. (2 words)
14. ___?___, a psychologist, had a great influence on what is known about how children learn. (2 words)
16. __?__ is pretending - the child can imagine things that might happen but have not happened yet. (2 words)
18. A __?__ is a branchlike feature at the end of each axon that receives the electrical messages from other neurons.
19. Children this age especially enjoy toys that they can ___?___, which means to work with the hands.

1. The ___?___ is Piaget's first period of learning and lasts from birth to about age two. (2 words)
2. A __?__ is the tiny gap between the dendrites where messages are transmitted from one neuron to another.
4. To __?__ means to take steps to protect the child from possible dangers.
6. A __?__ is a general category of objects and information.
7. The __?__ is part of the brain's cerebrum and its growth permits more complex learning.
9. __?__ is the ability to learn from sensory information.
11. __?__ is the use of words and numbers to stand for ideas.
13. __?__ is a fatty, insulating substance, which helps transmit information from one nerve cell to another.
15. __?__ means something is suitable for the age and individual needs of a child. (2 words)
17. A __?__ is a nerve cell.
20. An __?__ is the connection between neurons that transmits instructions from the cell body to another neuron.