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Article ; Online: A Possible Anti-anxiety Effect of Appetitive Aggression and a Possible Link to the Work of Donald Winnicott.

Grillo, Luigi

Scandinavian journal of child and adolescent psychiatry and psychology

2022 Volume 10, Issue 1, Page(s) 102–113

Abstract: Various pleasant sensations that give a particularly intense pleasure are able to improve anxiety. In the present study I consider the possibility that their anti-anxiety action depends on the strong pleasure they provide, and I propose a possible ... ...

Abstract	Various pleasant sensations that give a particularly intense pleasure are able to improve anxiety. In the present study I consider the possibility that their anti-anxiety action depends on the strong pleasure they provide, and I propose a possible mechanism of this action. According to some studies, also appetitive aggression (an aggression that provokes a strong pleasure and that is performed only for the pleasure it provides) can improve anxiety, and in this article I consider the possibility that the pleasure of appetitive aggression is able to reduce anxiety by the same mechanism I have proposed for other intense pleasurable sensations. The aggression performed by a child against the mother or against a substitute for the mother in the first period of life (a period in which this aggression is not dangerous) is a recurring theme throughout the work of of Donald Winnicott. Winnicott stresses that this aggression is necessary for the normal development of the child, and that the child must be free to practise it. According to Winnicott, this aggression is highly pleasurable and is not a response to unpleasant or hostile external situations. For these characteristics it seems to correspond to appetitive aggression in the adult that has been found to be able to reduce anxiety. Consequently, aggression performed by the child in the first period of life may also relieve anxiety, in the same way that appetitive aggression helps against anxiety in the adult. In his writings, Winnicott returns several times to an unthinkable or archaic anxiety that children experience when they feel abandoned by their mother for a period that is too long for them, and all children, according to Winnicott, live on the brink of this anxiety. In this study I propose the hypothesis that aggression in the early period of life may be necessary for children because the intense pleasure it provides may help them against this continuously impending anxiety.
Language	English
Publishing date	2022-08-30
Publishing country	Poland
Document type	Journal Article
ISSN	2245-8875
ISSN (online)	2245-8875
DOI	10.2478/sjcapp-2022-0011
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Switchable Asymmetric Water Transport in Dense Nanocomposite Membranes.

Grillo, Luca / Weder, Christoph

ACS applied polymer materials

2024 Volume 6, Issue 4, Page(s) 2243–2252

Abstract: Directional water transport is technologically relevant in separation processes, functional clothing, and other applications. While asymmetric water transport characteristics are a vital feature of leaf cuticles, examples of artificial membranes that ... ...

Abstract	Directional water transport is technologically relevant in separation processes, functional clothing, and other applications. While asymmetric water transport characteristics are a vital feature of leaf cuticles, examples of artificial membranes that display this effect are limited. Here, we report compositionally asymmetric membranes that are based on hydrophobic poly(styrene)-
Language	English
Publishing date	2024-02-01
Publishing country	United States
Document type	Journal Article
ISSN	2637-6105
ISSN (online)	2637-6105
DOI	10.1021/acsapm.3c02801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Water and Oxygen Barrier Properties of All-Cellulose Nanocomposites.

Rader, Chris / Grillo, Luca / Weder, Christoph

Biomacromolecules

2024 Volume 25, Issue 3, Page(s) 1906–1915

Abstract: Hydroxypropyl cellulose (HPC) is potentially interesting as a biobased, rigid food packaging material, but its stiffness and strength are somewhat low, and its water and oxygen transport rates are too high. To improve these characteristics, we ... ...

Abstract	Hydroxypropyl cellulose (HPC) is potentially interesting as a biobased, rigid food packaging material, but its stiffness and strength are somewhat low, and its water and oxygen transport rates are too high. To improve these characteristics, we investigated nanocomposites of HPC and cellulose nanocrystals (CNCs). These high-aspect-ratio nanoparticles display high stiffness and strength, and their high crystallinity renders them virtually impermeable. Exchanging the counterions of sulfate-ester decorated CNCs with cetyltrimethylammonium ions affords particles that are dispersible in ethanol (CTA.CNC) and allows solvent casting of HPC/CTA.CNC nanocomposite films, which, even at a CTA.CNC content of 90 wt %, are highly transparent. The introduction of CTA.CNC considerably increases the Young's modulus (
MeSH term(s)	Cellulose/chemistry ; Tensile Strength ; Elastic Modulus ; Permeability ; Nanocomposites/chemistry ; Nanoparticles/chemistry
Chemical Substances	Cellulose (9004-34-6)
Language	English
Publishing date	2024-02-23
Publishing country	United States
Document type	Journal Article
ISSN	1526-4602
ISSN (online)	1526-4602
DOI	10.1021/acs.biomac.3c01337
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Article: A Possible Link between Anxiety and Schizophrenia and a Possible Role of Anhedonia.

Grillo, Luigi

Schizophrenia research and treatment

2018 Volume 2018, Page(s) 5917475

Abstract: In the prodromal phase of schizophrenia, severe alterations of the visual appearance of the environment have been found, accompanied by a state of intense anxiety. The present study considers the possibility that these alterations really exist in the ... ...

Abstract	In the prodromal phase of schizophrenia, severe alterations of the visual appearance of the environment have been found, accompanied by a state of intense anxiety. The present study considers the possibility that these alterations really exist in the appearance of objects, but that healthy people do not see them. The image of the world that we see is continuously deformed and fragmented by foreshortenings, partial overlapping, and so on and must be constantly reassembled and interpreted; otherwise, it could change so much that we would hardly recognize it. Since pleasure has been found to be involved in visual and cognitive information processing, the possibility is considered that anhedonia (the reduction of the ability to feel pleasure) might interfere with the correct reconstruction and interpretation of the image of the environment and alter its appearance. The possibility is also considered that these alterations might make the environment hostile, might at times evoke the sensation of being trapped by a predator, and might be the cause of the anxiety that accompanies them. According to some authors, they might also induce delusional ideas, in an attempt to restore meaning in a world that has become chaotic and frightening.
Language	English
Publishing date	2018-01-17
Publishing country	Egypt
Document type	Journal Article ; Review
ZDB-ID	2596440-9
ISSN	2090-2093 ; 2090-2085
ISSN (online)	2090-2093
ISSN	2090-2085
DOI	10.1155/2018/5917475
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Article: A Possible Role of Anhedonia as Common Substrate for Depression and Anxiety.

Grillo, Luigi

Depression research and treatment

2016 Volume 2016, Page(s) 1598130

Abstract: Depression and anxiety are often comorbid, in up to 70% of cases, and the level of one or the other may fluctuate, leading now to a diagnosis of depression, now to a diagnosis of anxiety. For these reasons, and for the presence of many other common ... ...

Abstract	Depression and anxiety are often comorbid, in up to 70% of cases, and the level of one or the other may fluctuate, leading now to a diagnosis of depression, now to a diagnosis of anxiety. For these reasons, and for the presence of many other common factors, it has been suggested that both are part of the same continuum of problems and that they have a common substrate. This paper proposes the possibility that anhedonia may be an important component of this possible common substrate, and it tries to identify the mechanism with which anhedonia could contribute to causing both depression and anxiety. It also proposes an explanation why an intense pleasure could improve both depression and anxiety.
Language	English
Publishing date	2016-03-02
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	2573947-5
ISSN	2090-133X ; 2090-1321
ISSN (online)	2090-133X
ISSN	2090-1321
DOI	10.1155/2016/1598130
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Physiotherapy assessment of breathing pattern disorder: a qualitative evaluation.

Grillo, Lizzie / Russell, Anne-Marie / Shannon, Harriet / Lewis, Adam

BMJ open respiratory research

2023 Volume 10, Issue 1

Abstract: Objectives: To explore physiotherapists' opinions of physiotherapy assessment of Breathing Pattern Disorder (BPD).: Methods: Qualitative study using focus groups (FGs) with reflexive thematic analysis and survey methods. The survey was distributed ... ...

Abstract	Objectives: To explore physiotherapists' opinions of physiotherapy assessment of Breathing Pattern Disorder (BPD). Methods: Qualitative study using focus groups (FGs) with reflexive thematic analysis and survey methods. The survey was distributed via social media and email to UK specialist physiotherapy interest groups. Two FGs, conducted in different settings, included physiotherapists based in hospital outpatients/community, private practice and higher education. Results: One-hundred-and-three physiotherapists completed the survey. Respondents identified a lack of consensus in how to define BPD, but some agreement in the components to include in assessment. Fifteen physiotherapists participated in the FGs. Three themes emerged from FG discussions: (1) nomenclature and language of breathing, (2) BPD and breathlessness and (3) The value of assessment of breathlessness. Conclusion: The inconsistent nomenclature of dysfunctional breathing pattern impacts assessment, management and understanding of the diagnosis. Clarity in diagnosis, informing consistency in assessment, is fundamental to improving recognition and treatment of BPD. The findings are useful in the planning of education, training, future research and guideline development in BPD assessment.
MeSH term(s)	Humans ; Attitude of Health Personnel ; Qualitative Research ; Respiration Disorders ; Physical Therapy Modalities ; Dyspnea ; Respiration
Language	English
Publishing date	2023-01-10
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2736454-9
ISSN	2052-4439 ; 2052-4439
ISSN (online)	2052-4439
ISSN	2052-4439
DOI	10.1136/bmjresp-2022-001395
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Article ; Online: Thielaviopsis paradoxa and cultivable mycobiota associated with carapace of Rhynchophorus palmarum L. (Coleoptera: Curculionidae) in the state of Alagoas, Brazil.

Calumby, R J N / Almeida, L M / Eliziario, J L L / Dornelas, C B / Alvino, V / Grillo, L A M

Brazilian journal of biology = Revista brasleira de biologia

2024 Volume 83, Page(s) e275755

Abstract: Rhynchophorus palmarum (Coleoptera: Curculionidae) is a significant agricultural pest in palm plantations across tropical America, playing a critical role as a vector of the fungus Thielaviopsis paradoxa, which is the causative agent of stem bleeding ... ...

Abstract	Rhynchophorus palmarum (Coleoptera: Curculionidae) is a significant agricultural pest in palm plantations across tropical America, playing a critical role as a vector of the fungus Thielaviopsis paradoxa, which is the causative agent of stem bleeding disease in coconut palms. This disease has raised concerns due to its rapid spread and subsequent reduction in coconut production in northeastern Brazil. Additionally, this insect can establish mutualistic interactions with various fungi, including saprophytic, phytopathogenic, and entomopathogenic fungi, underscoring the importance of identifying its external mycobiota. The aim of this study was to assess the presence of T. paradoxa in the digestive tract and identify the cultivable mycobiota associated with the carapace of R. palmarum. To achieve this, a mycological study was conducted by culturing the external surface and digestive tract of field-caught adult insects (10 males and 10 females) on potato dextrose agar (PDA) in Maceió, Alagoas, Brazil. Fungal identification was performed by correlating microscopic features with the macroscopic characteristics of the obtained colonies. The results showed that T. paradoxa was detected in 15.0% of carapace isolates but was not found in the insects' intestinal tract. Additionally, nine fungal genera frequently associated with saprophytic or phytopathogenic behaviors were identified on the carapace. Eight of these genera belong to the Ascomycota phylum, while one is classified in the Basidiomycota phylum. The ubiquitous presence of Paecilomyces spp. and the occurrence of Trichosporon spp. in 95% of the assessed insects stand out. Furthermore, other potentially phytopathogenic fungi such as Penicillium spp., Fusarium spp., and Aspergillus spp., as well as fungi with entomopathogenic potential like Paecilomyces spp., Trichoderma spp., Metarhizium spp., and Beauveria bassiana, were detected. These findings enhance the understanding of the complex interactions between R. palmarum and its fungal hosts, providing insights for integrated pest management strategies.
MeSH term(s)	Animals ; Male ; Female ; Coleoptera ; Weevils ; Brazil ; Animal Shells ; Ascomycota ; Insecta
Language	English
Publishing date	2024-02-23
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	2036257-2
ISSN	1678-4375 ; 1519-6984
ISSN (online)	1678-4375
ISSN	1519-6984
DOI	10.1590/1519-6984.275755
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Article ; Online: Embodimetrics: A Principal Component Analysis Study of the Combined Assessment of Cardiac, Cognitive and Mobility Parameters.

Chellini, Andrea / Salmaso, Katia / Di Domenico, Michele / Gerbi, Nicola / Grillo, Luigi / Donati, Marco / Iosa, Marco

Sensors (Basel, Switzerland)

2024 Volume 24, Issue 6

Abstract: There is a growing body of literature investigating the relationship between the frequency domain analysis of heart rate variability (HRV) and cognitive Stroop task performance. We proposed a combined assessment integrating trunk mobility in 72 healthy ... ...

Abstract	There is a growing body of literature investigating the relationship between the frequency domain analysis of heart rate variability (HRV) and cognitive Stroop task performance. We proposed a combined assessment integrating trunk mobility in 72 healthy women to investigate the relationship between cognitive, cardiac, and motor variables using principal component analysis (PCA). Additionally, we assessed changes in the relationships among these variables after a two-month intervention aimed at improving the perception-action link. At baseline, PCA correctly identified three components: one related to cardiac variables, one to trunk motion, and one to Stroop task performance. After the intervention, only two components were found, with trunk symmetry and range of motion, accuracy, time to complete the Stroop task, and low-frequency heart rate variability aggregated into a single component using PCA. Artificial neural network analysis confirmed the effects of both HRV and motor behavior on cognitive Stroop task performance. This analysis suggested that this protocol was effective in investigating embodied cognition, and we defined this approach as "embodimetrics".
MeSH term(s)	Humans ; Female ; Principal Component Analysis ; Cognition/physiology ; Task Performance and Analysis ; Stroop Test ; Heart
Language	English
Publishing date	2024-03-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2052857-7
ISSN	1424-8220 ; 1424-8220
ISSN (online)	1424-8220
ISSN	1424-8220
DOI	10.3390/s24061898
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Article ; Online: Might the inability to feel pleasure (anhedonia) explain the symptoms of major depression and schizophrenia, including unmotivated anxiety, delusions and hallucinations?

Grillo, Luigi

Medical hypotheses

2012 Volume 78, Issue 1, Page(s) 98–101

Abstract: Inability to enjoy normally pleasurable experiences (anhedonia) is a symptom common both to major depression and schizophrenia. It also regularly accompanies and follows stress, and its presence in the two mental illnesses could depend on the fact that ... ...

Abstract	Inability to enjoy normally pleasurable experiences (anhedonia) is a symptom common both to major depression and schizophrenia. It also regularly accompanies and follows stress, and its presence in the two mental illnesses could depend on the fact that both are facilitated and often preceded by stressful events. Anhedonia might possibly accompany stress because the loss of the pleasure of aiming for a goal and achieving it (including defending oneself and escaping from a danger) could lead to immobility, and immobility (playing dead) offers the extreme chance of safety when an animal is facing the worst possible stressful situation--being seized by a predator--as in this case any movement can further stimulate the predator's aggressiveness. Perceiving and connecting sensory information also gives pleasure, and this appears to enhance the clarity of sensations and is an important factor in learning. We propose that anhedonia, by reducing or eliminating the pleasure, might jeopardize the usual appearance of the environment, which must not only be clearly perceived but also continuously interpreted (for instance a foreshortening, or something far off seen as small, must not be seen as a real deformation; the same holds for words, where the meaning has to be grasped from the single letters, and so on). Consequently, anhedonia could in some cases make the environment's image strange, distorted and frightening, and this could cause anxiety, confusion, and give problems in contacts with people and things. As correct information about images and sounds can inhibit visual and auditory hallucinations (considering them, like delusions, as attempts to reconstruct and make sense again of a world that is becoming confused and alien), we propose that anhedonia, interfering with the correct perceiving and processing of sensations, may facilitate them.
MeSH term(s)	Anhedonia/physiology ; Anxiety/etiology ; Delusions/etiology ; Hallucinations/etiology ; Humans ; Models, Psychological ; Perceptual Disorders/etiology ; Psychotic Disorders/pathology ; Stress, Physiological/physiology
Language	English
Publishing date	2012-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	193145-3
ISSN	1532-2777 ; 0306-9877
ISSN (online)	1532-2777
ISSN	0306-9877
DOI	10.1016/j.mehy.2011.10.002
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Book ; Thesis: Measurement of CP violation in B0 - B0 mixing using semileptonic decays at LHCb

Grillo, Lucia

2015

Title variant	Measurement of CP violation in B0 - B0bar mixing using semileptonic decays at LHCb
Author's details	[put forward by Lucia Grillo]
Language	English
Size	218 S., Ill., graph. Darst.
Document type	Book ; Thesis
Thesis / German Habilitation thesis	Univ., Diss.--Heidelberg, 2015
Note	Zsfassung in dt. Sprache
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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