2 edition of Impulsivity and risk-taking following focal frontal lobe damage. found in the catalog.
Impulsivity and risk-taking following focal frontal lobe damage.
Darlene Patricia Floden
Written in English
Clinical observations of impulsive or risk-taking behaviour are common in patients with frontal lobe damage. However, few studies have attempted to empirically verify these observations. The goals of this work were: to dissociate impulsivity and risk-taking in patients with damage to frontal and nonfrontal regions, as well as in neurologically normal control subjects; to investigate any lesion specificity associated with these behaviour patterns, and; to examine potential mechanisms underlying these behaviours. This study employed a novel gambling procedure to separate impulsivity (disinhibited, rapid responding) and risk-taking (preference for low probability/high reward response options). The results showed that, contrary to early clinical observations, impulsive responding was not exacerbated in patients with frontal lobe damage, at least in the context of a probabilistic gambling task. Moreover, impulsivity was not related to slowed inhibitory speed as measured in the Stop Signal Task. Patients with damage to the right superior medial frontal region showed impaired inhibitory speed whereas frontal patients who showed impulsive gambling performance tended to have lesions to the right lateral region. These findings suggest that, within the domain of impaired response-related mechanisms, distinct forms of impulsivity may exist. Correlations with a self-report measure of real-world impulsivity, the Barratt Impulsivity Scale-11 (Patton, Stanford, & Barratt, 1995), further suggested that impulsive behaviours noted in clinical observations may stem from cognitive rather than motor mechanisms.Risk-taking, on the other hand, was specific to patients with frontal lobe damage involving the left ventrolateral or orbital regions. Moreover, ventrolateral and orbital damage to the left frontal lobe was also associated with reduced responsiveness to negative outcomes, suggesting that a deficit in outcome evaluation underlies the risk-taking behaviour of these patients. The fact that the frontal lobe group showed a disconnection of physiological response and behaviour further supports an evaluative deficit explanation of risky behaviour following frontal lobe damage. Together, these results confirm and qualify the functional dissociation of the frontal lobes in the production of flexible, goal-directed behaviour.
|The Physical Object|
|Number of Pages||158|
(15) Behavioral disinhibition as a result of damage to frontal lobe could be seen as a result of consumption of alcohol and CNS (Central Nervous System) depressants drugs, e.g. benzodiazepines that disinhibit the frontal cortex from self-regulation and control. (e.g. ). "Coping with Concussion and Mild Traumatic Brain Injury is a long-awaited prescription for the millions who experience a so-called mild TBI and for their families and care providers. Incorporating detailed information, practical suggestions, and personal insights, Dr. Stoler has compiled a must-have encyclopedia for managing life after concussion."/5(61).
Does adolescent risk taking imply weak executive function? A prospective study of relations between working memory performance, impulsivity, and risk taking in early adolescence. Developmental Science, Vol. 14, Issue. 5, p. Cited by: Miller LA () Impulsivity, risk-taking, and the ability to synthesize fragmented information after frontal lobectomy. Neuropsychologia 69–79 CrossRef PubMed Google Scholar Morgan MA, Romanski LM, LeDoux JE () Extinction of emotional learning: contribution of medial prefrontal cortex.
The frontal lobe of the brain sits just above the eyes as is considered our emotional control center and home to our personality. Due to its location, it is very susceptible to traumatic brain injury (TBI) in car, bus or truck accidents, football or sports injuries or . areas at the frontal lobe area showing decreased activity there. Overall impulsivity –cognitive and behavioral Also, explore alexithymia And working memory –human RAM. Risk taking behaviors/habit Diet habits.
Overview of the Federal budget, fiscal 1972.
Copper for busbars.
Agricultural labor in the Pacific coast states
Sunday Night Special
Nvq Workbooks on Management Skills, in Association With Ism 1-7 (Nvq Workbooks on Management Skills, in Association with Ism)
Trinity whom I adore
Third special report from the Transport Committee session 1985-86
The means of grace
First Latin-American Conference on High Temperature Superconductivity (Series on Progress in High Temperature Superconductivity, Vol 9)
How to win productivity in manufacturing.
Spanish salt, a collection of all the proverbs which are to be found in Don Quixote.
A caveat against the Methodists
Impulsivity and risk-taking behavior in focal frontal lobe lesions. Floden D(1), Alexander MP, Kubu CS, Katz D, Stuss DT. Author information: (1)Rotman Research Institute, Baycrest, Toronto, Ontario, Canada.
Frontal lobe dysfunction may underlie excessively impulsive and risky behavior observed in a range of neurological by: Frontal lobe dysfunction may underlie excessively impulsive and risky behavior observed in a range of neurological disorders.
We devised a gambling task to examine these behavior tendencies in a sample of patients who had sustained focal damage to the frontal lobes or nonfrontal cortical regions as well as in a matched sample of healthy control by: Risk taking.
An increase in impulsivity, risk taking or both is often seen in individuals following frontal lobe damage.
The two related terms differ in that impulsivity is a response disinhibition, while risk taking is related to the reward-based aspects of decision-making. Impulsivity and risk-taking behavior in focal frontal lobe lesions Article in Neuropsychologia 46(1) February with Reads How we measure 'reads'.
Thus, adolescent impulsivity due to poor development of executive functions is a risk period for addition due to the high experimentation, risk taking and active learning of associations.
After initiation of drinking, progressive increased drinking may damage frontal areas leading to a progressive lose of executive function that may ultimately Cited by: Thus, adolescent impulsivity due to poor development of executive functions is a risk period for addition due to the high experimentation, risk-taking and active learning of associations.
After initiation of drinking, progressive increased drinking may damage frontal areas leading to a progressive lose of executive function that may ultimately Cited by: Risk-taking behavior (RTB) Impulsivity= (IMP) Past research Why is IMP and RTB connected with frontal lobe damages. Current Research Result Subjects: 11 (frontal lobe damage) + 6 (cortical lesions outside frontal lobes) + 11 (neurologically normal) = 28 total Took baseline tests.
damage to frontal lobe will show preservation, aka continue with a way of doing something after they've been told it's wrong frontal lobe damage personality changes impaired responses, increased risk taking, gambling, altered sexual behavior, impaired social behavior.
Impulsivity, Frontal Lobes and Risk for Addiction Article Literature Review (PDF Available) in Pharmacology Biochemistry and Behavior 93(3) June with 1, Reads.
Alcoholism: Clinical & Experimental Research. (, January 4). Reduced Frontal-lobe Activity And Impulsivity May Be Linked To Alcoholism Risk. ScienceDaily.
Retrieved Ap from www. Darlene Robbins-Turner has written: 'Wake Up and Recognize' -- subject(s): Attitudes, Gang members, Gangs, Juvenile literature, Youth.
When this area is under active, you become distracted more easily. Also, it leads to a decreased ability to express thoughts and feelings and an increased vulnerability to. MRI studies have shown that the frontal area is the most common region of injury following mild to moderate traumatic brain injury.
There are important asymmetrical differences in the frontal lobes. The left frontal lobe is involved in controlling language related movement, whereas the right frontal lobe plays a role in non-verbal abilities. This article reviews the literature on the cognitive neuroscience of human decision making, focusing on the roles of the frontal lobes, and provides a conceptual framework for organizing this disparate body of work.
The contributions of lesion laterality and lesion volume to decision-making impairment following frontal lobe damage Cited by: Helpful, trusted answers from doctors: Dr. Seaman on frontal lobe damage behavior: I have treated a few patients with eeg-confirmed simple focal epilepsy (tle) whose primary presentation included unprecipitated aggressive outbursts, and even a few with atypical appetitive behaviors.
As "bad behavior" has many potential causes though, please see a md specializing in epilepsy. Impulsivity is a common and debilitating sequela following traumatic brain injury (TBI), but there is no consensual definition or measure to assess this construct.
The following review aims to elucidate the differences and resemblances between impulsivity, disinhibition and other related terms following brain injury and the instruments that are commonly used to measure these Cited by: An interesting phenomenon of frontal lobe damage is the insignificant effect it can have on traditional IQ testing.
Researchers believe that this may have to do with IQ tests typically assessing convergent rather than divergent thinking. Frontal lobe damage seems to have an impact on divergent thinking, or flexibility and problem solving ability.
A new study provides a novel theory for how delusions arise and why they persist. Researchers performed an in-depth analysis of patients.
Start studying Psychology exam 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Teen impulsivity is to frontal lobe development, as old age _____ is to frontal lobe atrophy. Your aging aunt Luella has had a series of small strokes.
These strokes can progressively damage her brain and are most likely to. frontal lobe (i.e., executive) functions, followed by a description of the types of problems that result from frontal lobe damage. Conceptualization of the ways in which these frontal lobe deﬁciencies may be related to violence are offered, and relevant research regarding this relationship is reviewed Elsevier Science Ltd.
All rights. Introduction. Parkinson’s disease (PD) is one of the most prevalent neurodegenerative diseases in the world, second only to Alzheimer’s disease (Aarsland, Bronnick, & Fladby, ).Although PD is diagnosed on the basis of the cardinal motor symptoms—bradykinesia, tremors, rigidity, and postural instability—there is also a consistent array of non-motor, cognitive symptoms, and Cited by: 3.inservice - Free download as Powerpoint Presentation .ppt /.pptx), PDF File .pdf), Text File .txt) or view presentation slides online.
A comprehensive guide for improving memory, focus, and quality of life in the aftermath of a concussion. Often presenting itself after a head trauma, concussion— or mild traumatic brain injury (mTBI)— can cause chronic migraines, depression, memory, and sleep problems that can last for years, referred to as post concussion syndrome (PCS).Brand: Penguin Publishing Group.