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Depression Test

Online Neuropsychological Assessment Battery-Instrument to help with the detection and diagnosis of Depression (CAB-DP)

  • Cognitive Assessment for Depression

  • Explore brain areas that may be affected by a Depressive Disorder

  • Assess and analyze possible cognitive alterations

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The Computerized Assessment Battery for Depression from CogniFit is a complete assessment to detect possible symptoms of depression. It is a tool that allows a professional to conduct an exhaustive exploration of the patient's cognitive level and confirm or discard the possibility of a depressive disorder.

The professional will be able to use the results gathered from the assessment to indicate the patient's mental state. This report will show the level of deterioration in each of the assessed cognitive skill with simple tables and charts.

In the depression assessment, many different cognitive skills are assessed. The tasks will measure the different cognitive skills that may be affected by depression.

  • Memory area: Short-term memory and working memory.
  • Perception area: Spatial perception and visual perception.
  • Attention area: Focus, updating, and inhibition.
  • Coordination area: Hand-eye coordination and response time.
  • Reasoning area: Planning, processing speed, and shifting.

Battery of tasks and tests for the cognitive evaluation of people with depression

Speed Test REST-HECOOR

Concentration Test VISMEM-PLAN

Synchronization Test UPDA-SHIF

Identification Test COM-NAM

Sequencing Test WOM-ASM

Recognition Test WOM-REST

Processing Test REST-INH

Simultaniety Test DIAT-SHIF

Assessment process

  • Duration: The battery will take about 15-20 minutes.
  • Scoring: Computerized.
  • Audience: Children (6+) and adults.

Neuropsychological environments analyzed and their relation to depression

Scientific documentation: validated battery of tasks

This cognitive assessment for depression was made possible by the most recent studies, where valuable information was used to create the basis of the assessment.

The depression battery is made up of tasks that analyze a total of 12 cognitive skills. According to recent studies, these are the cognitive skills that will be most affected by depression. All of these skills have passed through a strict control of scientific validation. The reliability results received very satisfactory results.

The set of cognitive skills that are analyzed with this cognitive assessment are divided into different parts. Depression most affects the following areas.

MEMORY: When you have depression, the amygdala, located in the temporal lobes in the brain, is affected. It is in charge of consolidating information.

Short-Term Memory and Depression

The inability to recover information about recent events is a sign of short-term memory loss, which is quite common in people who suffer from depression. You can see problems with short-term memory associated with neurobiological dysfunctions like depression.

Working Memory and Depression

Working memory is useful in the day-to-day. It's important for being able to hold a conversation, remember the plot of a book, solve problems, etc. It has been shown that people with depression have trouble with these activities because their concentration and planning skills are weak.

ATTENTION: Most people with depression have trouble playing attention. Some of the most important reasons behind this lack of attention are fatigue, disappointment and loss of interest in things around them.

Focus and Depression

Lack of focus or concentration may cause other negative problems that may affect other aspects of the person's life. These problems may be work related, or associated with family, or relationship problems. With depression, it's common to see a lack of interest in these areas, which causes a lack on concentration and prevents them from continuing with their normal life.

Updating and Depression

Updating is a process that is characterized by its flexible nature. Updating is one of our executive functions and it helps us plan for changes. Depression causes these processes to be inflexible. Laziness, malaise, disinterest, and a lack of planning exacerbate the lack of updating.

Inhibition and Depression

Inhibition is the ability to ignore irrelevant stimuli when performing a task that requires attention. People with depression, as previously mentioned, have problems maintaining attention and concentrating on a task. Most of their energy and concentration is focused on negative thoughts, which leaves little room for inhibition. People with depression will incorrectly inhibit stimuli around them, directing their attention to something that reaffirms their emotional state.

PERCEPTION: People with depression have a distorted perception of themselves and the world around them. This distortion is caused by their emotional state, which causes their perception to be biased depending on their current state.

Spatial Perception and Depression

Spatial perception is affected by depression. A person with depression will have a biased emotional state, which will cause their conscious to be affected. Their idea of reality will be distorted by recurring negative thoughts.

Visual Perception and Depression

People with depression tend to perceive images in parts. This implies that their vision is actually affected by their negative thoughts. The depressive brain doesn't interpret images as one set, but instead it organizes and interprets depending on the person's emotional state.

COORDINATION: Movements are slower and coordination is more awkward. This causes a psychomotor delay, which makes coordination weaker.

Hand-Eye Coordination and Depression

There is a clear decline in reaction speed which results in a psychomotor delay. Movements, as well as the speed in which we think and speak, are delayed. Assessing movement and hand-eye coordination may give hints to the user's current state.

Response Time and Depression

The time it takes to respond to a simple stimulus goes along with processing speed. If someone has poor processing speed, response time will will increase. Therefore, both skills will be affected when completing an action, whether it be simple or complex. In other words, reaction time and processing speed will be poor.

REASONING: There are different ways to think or reason when you're depressed. Someone with depression may have cognitive distortions. In other words, they don't process information correctly. Reasoning is one of the bases of negative thinking.

Planning and Depression

Planning is the ability that allows us to organize our time. It helps to program a goal or objective by following a series of small steps. This skill is affected by depression, altering our ability to make decisions, thought processes, and anticipated completion of tasks.

Processing Speed and Depression

It is the ability to process external information. Processing speed helps complete tasks more fluidly, so, the better the processing speed, the less response time. Both of these skills are affected by depression.

Shifting and Depression

People with depression, as we mentioned earlier, have a delayed processing speed. This causes their ability to change their course of actions and thoughts to be delayed. In this case, their shifting skill will be closely linked to processing speed and response time.

Scientific Documentation

The goal of the cognitive assessment battery for depression is to provide an assessment of the cognitive state of the patient. It provides the professional with a tool that will help them detect possible symptoms of a depressive disorder. Thanks to the results from the computerized report, the professional will be able to see the deficits in certain cognitive skills and provide a possible diagnosis.

The cognitive assessment for depression has been validated by a scientific method based on evidence. The program will create a cognitive profile for each user with the help of CogniFit's sophisticated algorithms.

The CogniFit system will assess each one of the cognitive skills assigned, and will gather scores for each of the analyzed cognitive skills. All of the results will be presented in graphs and tables, which will allow the professional to be able to easily interpret a possible diagnosis.

References

Preiss M, Shatil E, Cermakova R, Cimermannova D, Flesher I (2013) Personalized cognitive training in unipolar and bipolar disorder: a study of cognitive functioning. Frontiers in Human Neuroscience doi: 10.3389/fnhum.2013.00108.

Korczyn AD, Peretz C, Aharonson V, et al. - Computer based cognitive training with CogniFit improved cognitive performance above the effect of classic computer games: prospective, randomized, double blind intervention study in the elderly. Alzheimer's & Dementia: The Journal of the Alzheimer's Association 2007; 3(3):S171.

Evelyn Shatil, Jaroslava Mikulecká, Francesco Bellotti, Vladimír Burěs - Novel Television-Based Cognitive Training Improves Working Memory and Executive Function - PLoS ONE July 03, 2014. 10.1371/journal.pone.0101472

Peretz C, Korczyn AD, Shatil E, Aharonson V, Birnboim S, Giladi N. - Computer-Based, Personalized Cognitive Training versus Classical Computer Games: A Randomized Double-Blind Prospective Trial of Cognitive Stimulation - Neuroepidemiology 2011; 36:91-9.

Haimov I, Shatil E (2013) Cognitive Training Improves Sleep Quality and Cognitive Function among Older Adults with Insomnia. PLoS ONE 8(4): e61390. doi:10.1371/journal.pone.0061390

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