Tuesday, 02 June, 2020
The DIYer's Combo Deal - Save $9.90
WP_Post Object ( [ID] => 3388 [post_author] => 638 [post_date] => 2018-04-01 17:09:40 [post_date_gmt] => 2018-04-01 07:09:40 [post_content] => Three essential tools for every handyman or woman. Includes our magnetic WristBuddy, an extendable, flexible magnetic flashlight and our three function COB headlamp!

1 - Magnetic WristBuddy:

The magnetic WristBuddy keeps everything within easy reach whether you’re under the hood, squeezing into a bathroom cabinet, up a ladder or just nailing a few 4×2’s together! Designed to hold lots of screws, nails, nuts and washers, the magnets are amply strong enough to also hold drill bits, hex keys, bolts, screwdrivers and even spanners. Made from extremely durable 1680D Oxford cloth, your WristBuddy will be with you for years to come.

2 - Magnetic, Extendable, Flexible Flashlight

  The perfect tool for finding that lost screw that rolled under your workbench or the pins that dropped onto the carpet! This bright, COB LED flashlight extends to a full 60cm (2ft), has a flexible neck and a strong magnet in the lens surround. It's also a wonderful aid for anyone with bad knees.

3 - Three Function COB LED Headlamp

How often have you wished for better lighting while doing a job? All you needed was a third hand with a flashlight, right? This tough, fully adjustable headlamp uses the latest Chip On Board LED technology for maximum performance. Set it for bright, normal or strobe function with a click of the switch. Weighing just 65 grams (2.25 oz), including the three AAA batteries, our headlamp can be worn hour after hour. And because it's both shock and water resistant, it's great for camping and fishing as well as in the home and workshop.

Special offer:

Bought separately, these three items are currently selling for a combined total of $27.40. For this week only, we have packaged all three for just $17.50 including free delivery. Please note that there is a limit of three combo packs per customer. [add_to_cart id="3388"]   [post_title] => The DIYer's Combo Deal [post_excerpt] => Three essential tools for every handyman or woman. Includes our magnetic WristBuddy, an extendable, flexible magnetic flashlight and our high-powered COB headlamp! The perfect gift for any DIYer! Maximum of three combo packs per customer. [post_status] => publish [comment_status] => open [ping_status] => closed [post_password] => [post_name] => the-diyers-combo-deal [to_ping] => [pinged] => [post_modified] => 2019-03-11 00:01:10 [post_modified_gmt] => 2019-03-11 00:01:10 [post_content_filtered] => [post_parent] => 0 [guid] => http://deals.thediy.market/?post_type=product&p=3388 [menu_order] => 0 [post_type] => product [post_mime_type] => [comment_count] => 11 [filter] => raw )
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What happens in the brain when you no longer need the information you’ve learnt?

What happens in the brain when you no longer need the information you’ve learnt?

Last Updated on

Image 20150114 28440 1ga94w7
Do you forget a subject’s content as soon as the exam is over? Or forget a language once you’ve stopped using it? It’s not gone, you might just need something to retrieve it.
Shutterstock

Amy Reichelt, UNSW

Throughout our lives we have multitudes of experiences that shape how we then behave in the world. Some of these lessons are learnt rapidly, such as why we shouldn’t put our hand on a hot pan on the stove. Other, more autobiographical experiences can be stored and recalled explicitly as our memories. The Conversation

These memories can be recalled and described, such as what we did for certain birthdays, or experiences from our holidays. We can also learn to perform certain actions and behaviours that are totally new to us – for example, learning to ride a bike and drive a car. These actions can be thought of as muscle memories, or “non-declarative” memory.

Forgotten – but not gone

However, it seems we don’t retain all of our memories and experiences. There are times in your life when you find yourself pondering basic general knowledge questions and wonder where these gaps in information have sprung from. Despite all those hours of study at school, many of us can’t remember how to say “two beers please” in Spanish when we are on holiday, or how to work out a specific angle of a triangle, despite being proficient in these skills some years ago.

Why is it that we lose the information that we have learnt? Is it still there but inaccessible, or is it gone forever?

Memory can be thought of as having two components: storage – the process of encoding a memory, and retrieval – the process of recalling the memory. Memories are stored in short-term memory stores and then can be transferred to long-term memory.

Short-term memory has a limited capacity (about seven items) and duration (15-30 seconds). There are two ways in which capacity is tested, one being span, the other being recency effect. Miller’s (1956) “magic” number 7 (plus or minus two) provides evidence for the capacity of short-term memory.

Most adults can store between five and nine items in their short-term memory. The duration of short-term memory seems to be between 15 and 30 seconds, according to the researchers Atkinson and Shiffrin (1971). After this time the information decays and fades away unless repeated verbally (rehearsal), which keeps the information in short-term memory. Then information that survives in short-term memory can pass into long-term memory.

So a piece of information can be learnt through practice, making it easy to be recalled in a test a few days later. However, the strength of a memory at the time is misleading when it comes to predicting whether we will remember it in the future.

‘Every time I learn something new, it pushes some old stuff out of my brain’ – Homer Simpson

He might not be too wide of the mark, since new memories can block the recall of older memories.
Rev. Xanatos Satanicos Bombasticos, CC BY
This suggests that acquiring new memories interferes with previously stored information, and indicates that the human brain has a limit to how much information can be stored. We do not know the capacity of the brain, or the full capacity of our memory.

Theoretically, the capacity of long-term memory could be unlimited, the main constraint on recall being accessibility rather than availability. The brain contains a vast number of cells that are proposed to work together as a network to encode memories and store them.

There is a theory of forgetting in cognitive psychology that suggests the encoding of new memories can cause interference with recall of memories previously encoded (known as retro-active interference). This interference is proposed to prevent the recall of a specific memory by competing for expression. So a new memory blocks the recall of an older memory.

Retrieval failure theory

Retrieval failure is where the information is in long-term memory, but cannot be accessed. When we form a memory we also learn about the situation and environment. These can form retrieval cues.

These cues prompt the retrieval of a memory and without them the information may not be accessible. These cues act as a hint or clue that can assist memory retrieval.

Forgetting is greatest when the situation where the information needs to be recalled is very different from when the information was encoded. This can mean that information that we have learnt in a school environment may not be as easily retrieved when in the “real world”. So, if you had learnt the Spanish phrase for “two beers please” in a bar, you would be able to recall it easily when in the same environment again.

These retrieval cues can be important for people suffering with memory impairments caused by neurodegenerative diseases such as Alzheimer’s disease.

Being unable to recall information is very upsetting. This can, in turn, cause a change in the internal (emotional) state of the person, which makes recalling a memory even more difficult. However, by providing retrieval cues such as old photographs, or returning to a childhood home, a flood of lost memories can be triggered.

Amy Reichelt, Senior Research Fellow, UNSW

This article was originally published on The Conversation. Read the original article.

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