نتایج جستجو برای: learning deficit

تعداد نتایج: 660019  

Journal: :Jornal de pediatria 2002
Alexandra Prufer de Queiroz C Araújo

OBJECTIVE: This review aims at providing pediatricians with an update on the main causes involved in low school achievement. A more detailed approach is given for the management and treatment of attention deficit hyperactive disorder. SOURCES: Data was obtained by a systematic review of published literature in Medline, through a search on Pubmed in the last five years. The key words used were l...

2013
Maryam Radahmadi Hojjatallah Alaei Mohammad-Reza Sharifi Nasrin Hosseini

PURPOSE Impairment of learning and memory processes has been demonstrated by many studies using different stressors. Other reports suggested that exercise has a powerful behavioral intervention to improve cognitive function and brain health. In this research, we investigated protective effects of treadmill running on chronic stress-induced memory deficit in rats. METHODS Fifty male Wistar rat...

2009
Normala Ibrahim Abdul Hamid Abdul Rahman Shamsul Azhar Shah

Objective: The study aims to determine pattern of verbal memory and learning impairment and its associated factors among patients with bipolar I disorder in a psychiatric clinic of a university hospital. Methods: A case control study comparing verbal memory test performance in 40 patients with bipolar I disorder to that of 40 healthy normal subjects using Rey Auditory Verbal Learning Test (RAVL...

Journal: :British journal of anaesthesia 2013
T M Ramage F L Chang J Shih R S Alvi G R Quitoriano V Rau K C Barbour S A Elphick C L Kong N K Tantoco D Ben-Tzur H Kang M S McCreery P Huang A Park J Uy M J Rossi C Zhao R T Di Geronimo G Stratmann J W Sall

BACKGROUND Many anaesthetics when given to young animals cause cell death and learning deficits that persist until much later in life. Recent attempts to compare the relative safety or toxicity between different agents have not adequately controlled for the relative dose of anaesthetic given, thereby making direct comparisons difficult. METHODS Isoflurane or sevoflurane were given at 1 minimu...

2010
Karen Banai Merav Ahissar

Dyslexia – a substantial difficulty in acquiring fluent and efficient reading – is the most common form of learning disability, present in more than 80% of the individuals diagnosed with learning problems (Snow, Burns, & Griffin, 1998). While early academic research described dyslexia as a visual disorder, "congenital word blindness" (e.g., Morgan, 1896; Orton, 1928), studies in the last 40 yea...

2012
John E Schlerf Jing Xu Nola M Klemfuss Thomas L Griffiths Richard B Ivry

31 32 The cerebellum has long been recognized to play an important role in motor adaptation. Individuals 33 with cerebellar ataxia exhibit impaired learning in visuomotor adaptation tasks such as prism 34 adaptation and force field learning. Both types of tasks involve the adjustment of an internal model in 35 order to compensate for an external perturbation. This updating process is error-driv...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Benoit Poulin Adrian Butcher Phillip McWilliams Julie-Myrtille Bourgognon Robert Pawlak Kok Choi Kong Andrew Bottrill Sharad Mistry Jürgen Wess Elizabeth M Rosethorne Steven J Charlton Andrew B Tobin

Degeneration of the cholinergic system is considered to be the underlying pathology that results in the cognitive deficit in Alzheimer's disease. This pathology is thought to be linked to a loss of signaling through the cholinergic M(1)-muscarinic receptor subtype. However, recent studies have cast doubt on whether this is the primary receptor mediating cholinergic-hippocampal learning and memo...

Journal: :Behavioral neuroscience 2008
Michelle A Hook John R Huie James W Grau

Peripheral capsaicin treatment induces molecular changes that sensitize the responses of nociceptive neurons in the spinal dorsal horn. The current studies demonstrate that capsaicin also undermines the adaptive plasticity of the spinal cord, rendering the system incapable of learning a simple instrumental task. In these studies, male rats are transected at the second thoracic vertebra and are ...

2017
Wilson Chan Sanmeet Singh Taj Keshav Ramita Dewan Christian Eberly Robert Maurer Alexia Nunez-Parra Ricardo C. Araneda

The cholinergic system has extensive projections to the olfactory bulb (OB) where it produces a state-dependent regulation of sensory gating. Previous work has shown a prominent role of muscarinic acetylcholine (ACh) receptors (mAChRs) in regulating the excitability of OB neurons, in particular the M1 receptor. Here, we examined the contribution of M1 and M3 mAChR subtypes to olfactory processi...

Journal: :Journal of neurophysiology 2013
John E Schlerf Jing Xu Nola M Klemfuss Thomas L Griffiths Richard B Ivry

The cerebellum has long been recognized to play an important role in motor adaptation. Individuals with cerebellar ataxia exhibit impaired learning in visuomotor adaptation tasks such as prism adaptation and force field learning. Both types of tasks involve the adjustment of an internal model to compensate for an external perturbation. This updating process is error driven, with the error signa...

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