Tag: Memory

How to help a child sleep better?

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People go through 4 to 5 cycles of sleep per night with each cycle extending from 75 to 90 minutes. The cycle includes two main states, the Non Rapid Eye Movement (NREM) state and the REM sleep. The REM sleep is the last stage in the cycle and it is the stage where we dream.

It is important to go through REM and NREM to get the full benefits of sleep. Those include better memory, increased creative thinking abilities, and enhanced pathways between the left and right sides of the brain.

When we sleep, the body evaluates the information acquired during the day and decides what to keep for later use and what to discard. Storing the information in long term memory allows us to build on this experience to better sort out related issues. The process itself strengthens the neural connections in the brain.

What goes on before sleep plays a role in sorting out problems as well. One study found that thinking about a question before going to be induced dreams regarding the issue for half the participants and solutions for a quarter of them.

Sleepiness builds up during the day and is released when we sleep. If we don’t get enough sleep, we feel unable to make decisions that require a lot of focus. We are also prone to making mistakes in judgment due to a lack of full attention.

It is important to maintain consistent sleep routines, avoid using the computer the last hour before sleep, have the last heavy meal for the day at least 3 hours before sleep, and sleep in a dark and cool room.

Some children have issues going to bed and keep waking up through the night. The attached video covers states of sleep and factors related to sleep problems including if the child is a morning or an evening person. The video also includes ideas on what parents and educators could do to help the child sleep better.

For additional information, refer to:

Karman, M. (2023, July 15). How sleep improves and impairs creative thinking. Eachnight. https://eachnight.com/sleep/sleep-improves-impairs-creative-thinking/ .

Sleeping like a baby. What does this mean?

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By Majida MEHANA

We go through different stages of sleep depending on the activity level of the brain. The total cycle is between 92 and 110 minutes. Then the cycle repeats itself throughout the night.

Infants go through a shorter cycle of approximately 50 minutes (National Science Foundation [NSF], 2020). Those stages of sleep include two main states, the Rapid Eye Movement (REM) irregular state and the Non-REM state (regular full sleep with closed eyelids). The duration of REM sleep is longer for newborns (50% of sleep time) and decreases to 20% by age 2. The brain activity in the REM state is similar to the waking state.

In terms of hours, newborns sleep anywhere between 10.5 and 18 hours. The sleep is irregular and can happen at different times during day or night times. The number of hours decreases to approximately 12 hours by the end of the first year (Garvis et al., 2019).

The long duration of the REM state activates the infant’s central nervous system and consolidates learning. It is also the state where we dream (NSF, 2020).

Learning occurs in other Non-REM stages as well. One study showed that babies who were shown new learning prior to a short nap (went into Stage 2, which is a light stage of sleep) were able to remember the learning better than the babies who did not take the nap (Horváth et al., 2018).

As sleep consolidates different learning in different stages, it is important to allow babies enough time to sleep through the full cycle, so they go through REM and non-REM sleep. If they need to be woken up, then it should be done gently. The REM sleep is the state that prompts waking.

Parents should note the baby’s sleep pattern and reinforce a transition to nighttime sleep by providing a quieter environment in the evening. Habits of sleep change throughout life; however, helping infants establish a regular sleep system early will give their body the time needed to recuperate and to be healthy.

Reference:

Garvis, S., Phillipson, S., Clarke, S., Harrison, L., McCormack, J., & Pendergast, D. (2019). Child development and learning. Oxford University Press.

Horváth, K., Hannon, B., Ujma, P. P., Gombos, F., & Plunkett, K. (2018). Memory in 3‐month‐old infants benefits from a short nap. Developmental Science, 21(3), 1-9. https://doi.org/10.1111/desc.12587

National Sleep Foundation. (2020, August). Children and sleep. https://www.sleepfoundation.org/articles/children-and-sleep

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Language and Memory

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Children increasingly make sense of what they hear by strengthening their auditory perception. Auditory perception skills include the ability to memorize information and the ability to reproduce and act on what was memorized.

Children’s short- and long-term memories develop as they grow up. A preschooler can repeat two to three pieces of information with the number growing up to five pieces by age 7 (Kearns, 2017). Adults have the capacity to retain 7 +/- 2 pieces of information in their short-term memory.

To move the information into long-term memory, children need to develop recall strategies. Many nursery rhymes and children’s songs include steps, lists, and ordered numbers that help children recall accurate information and that allow them to carry out actions.

To develop a repertoire of words and detailed actions, children need to have been exposed to them early in their lives. We can help children develop a repertoire of words by engaging in conversations with and around them when they are alert. By doing so, we help children combine the words, actions, and context into a meaningful outcome.

As parents and educators, should we talk out loud whenever possible throughout the day around our young children? If the self-talk covers different topics and introduces the child to hundreds of words, then the answer is YES.

Around the world, parents communicate with children in different ways. The number of adults taking care of the child varies and could include one or more primary caregiver. In some cultures, older siblings participate in caring for the child as well. As a result, the language input is diverse and it is not surprising that the children grow up displaying different linguistic communication patterns depending on whom they are addressing than children with fewer verbal interactions.

More research is needed to understand how the relationship between memory and language development unfolds in different contexts. We constantly witness children defying the current memory capacity when applied to language development. How far can the “piece of information” captured by children’s short- and long-term memories be stretched? Is “the piece of information” one letter, one chunk, one poem, or one storybook?  It depends on how educators and parents complement the child’s genetic dispositions.

Educators and parents have a responsibility to help children succeed in a global world. Surrounding children with a rich language input is one main success strategy.

Reference:

Kearns, K. (2017). Birth to big school (4th ed.). Victoria, Australia: Cengage Learning.

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