Plant leaves help to sustain life on earth as they generate food for both plant and animal life. The leaf is the site of photosynthesis in plants. Photosynthesis is the process of absorbing energy from sunlight and using it to produce food in the form of sugars. Leaves make it possible for plants to fulfill their role as primary producers in food chains. Not only do leaves make food, but they also generate oxygen during photosynthesis and are major contributors to the cycle of carbon and oxygen in the environment. Leaves are a part of the plant shoot system, which also includes stems and flowers.
1. Plant leaves are very important structures as they help to maintain life on earth by generating food (sugars) via photosynthesis.
2. Leaves can have different shapes and sizes. The basic components of leaves in flowering plants (angiosperms) include the blade, the petiole, and the stipules.
3. There are three main tissues found in leaves: the epidermis, the mesophyll, as well as vascular tissue. Each tissue type is composed of layers of cells.
In addition to performing photosynthesis, some plants have other highly specialized functions. Examples include carnivorous plants that can 'eat' insects.
4. Some animals, like the Indian leafwing butterfly, mimic leaves to camouflage themselves from predators.
Nitrogen is important element of life. In importance it comes only next to carbon, hydrogen, and oxygen. The composition of protein, nucleic acid, growth hormones, and vitamins requires Nitrogen. Leaves consist of about 1 to 15% nitrogen of their dry weight but lesser % in another vegetative organ.
• The N2 is present in the atmosphere, in the form of gas. It is about 78%.
• Green plants unable to use this N2 directly in their metabolism. Only some micro-organism can convert this N2 gas directly into organic form.
• The N2 present in the soil is called soil nitrogen. The plants growing in the soil, mainly utilize the soil N2 for their metabolic requirements.
• In the soil the nitrogen is present in the form of nitrate nitrogen (NO3, NO2), ammonia nitrogen (ammonia, ammonium salt), organic nitrogen and molecular nitrogen (N2).
• The converging of the free nitrogen, by natural or physical process is called nitrogen fixation… when any biological system is involved in this process, then it is called as biological nitrogen fixation……
Plant leaves help to sustain life on earth as they generate food for both plant and animal life. The leaf is the site of photosynthesis in plants. Photosynthesis is the process of absorbing energy from sunlight and using it to produce food in the form of sugars. Leaves make it possible for plants to fulfill their role as primary producers in food chains. Not only do leaves make food, but they also generate oxygen during photosynthesis and are major contributors to the cycle of carbon and oxygen in the environment. Leaves are a part of the plant shoot system, which also includes stems and flowers.
1. Plant leaves are very important structures as they help to maintain life on earth by generating food (sugars) via photosynthesis.
2. Leaves can have different shapes and sizes. The basic components of leaves in flowering plants (angiosperms) include the blade, the petiole, and the stipules.
3. There are three main tissues found in leaves: the epidermis, the mesophyll, as well as vascular tissue. Each tissue type is composed of layers of cells.
In addition to performing photosynthesis, some plants have other highly specialized functions. Examples include carnivorous plants that can 'eat' insects.
4. Some animals, like the Indian leafwing butterfly, mimic leaves to camouflage themselves from predators.
Nitrogen is important element of life. In importance it comes only next to carbon, hydrogen, and oxygen. The composition of protein, nucleic acid, growth hormones, and vitamins requires Nitrogen. Leaves consist of about 1 to 15% nitrogen of their dry weight but lesser % in another vegetative organ.
• The N2 is present in the atmosphere, in the form of gas. It is about 78%.
• Green plants unable to use this N2 directly in their metabolism. Only some micro-organism can convert this N2 gas directly into organic form.
• The N2 present in the soil is called soil nitrogen. The plants growing in the soil, mainly utilize the soil N2 for their metabolic requirements.
• In the soil the nitrogen is present in the form of nitrate nitrogen (NO3, NO2), ammonia nitrogen (ammonia, ammonium salt), organic nitrogen and molecular nitrogen (N2).
• The converging of the free nitrogen, by natural or physical process is called nitrogen fixation… when any biological system is involved in this process, then it is called as biological nitrogen fixation……
Key Characters of some major Angiosperm FamiliesYOGITASHARMA92
Angiosperms form the major group of plant kingdom with a plethora of plant species. This slideshow contains key and exceptional characters of major Angiosperm families.
DPD, Water potential, Plasmolyses & ImbibitionSunita Sangwan
This presentation explains DPD (diffusion pressure deficit), Plasmolyses and Imbibition in details. this also include the numericals related to Water potential. difference between DPD & water potential.
Parenchyma structure-and-classification-pptAmna Mustafa
Parenchyma, in plants, tissue typically composed of living cells that are thin-walled, unspecialized in structure, and therefore adaptable, with differentiation, to various functions. The cells are found in many places throughout plant bodies and, given that they are alive, are actively involved in photosynthesis, secretion, food storage, and other activities of plant life. Parenchyma is one of the three main types of ground, or fundamental, tissue in plants, together with sclerenchyma (dead support tissues with thick walls) and collenchyma (living support tissues with irregular walls).
Key Characters of some major Angiosperm FamiliesYOGITASHARMA92
Angiosperms form the major group of plant kingdom with a plethora of plant species. This slideshow contains key and exceptional characters of major Angiosperm families.
DPD, Water potential, Plasmolyses & ImbibitionSunita Sangwan
This presentation explains DPD (diffusion pressure deficit), Plasmolyses and Imbibition in details. this also include the numericals related to Water potential. difference between DPD & water potential.
Parenchyma structure-and-classification-pptAmna Mustafa
Parenchyma, in plants, tissue typically composed of living cells that are thin-walled, unspecialized in structure, and therefore adaptable, with differentiation, to various functions. The cells are found in many places throughout plant bodies and, given that they are alive, are actively involved in photosynthesis, secretion, food storage, and other activities of plant life. Parenchyma is one of the three main types of ground, or fundamental, tissue in plants, together with sclerenchyma (dead support tissues with thick walls) and collenchyma (living support tissues with irregular walls).
Motivation Theories Essays. ️ Essay about motivation for college. Free Motiva...Carolyn Wagner
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Public Opinion Essay. Opinion Essay: The Main Features and Recommendations W...Jennifer Johnson
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Political Ideology Essay. A Level Politics Essay Plan - conservatism for ideo...Jodi Hartman
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The Social Phenomenology of RD Laing: A Re-Appraisal of R.D. Laing, His Relat...Université de Montréal
Scottish psychiatrist-psychoanalyst Ronald David Laing (1927-1989) is known for his pioneering studies in the tradition of psychodynamic psychiatry (cf. Ellenberger, 1970) of the alien and alienating experiences that are known under the rubric of schizophrenia (cf. Woods, 2011). Along the way, he explored the “divided self” (Laing, 1960) in the “politics of the family” (Laing, 1969) and the sources of “reason and violence” (Laing & Cooper, 1964) in modern society, creating a model of existential psychotherapy (Laing, 1987a) with his social phenomenology (Laing, 1987b).
Schooled in mainstream mid-20th century British psychiatry and then psychoanalysis, reading phenomenological philosophy the whole time, R.D. Laing wrote an undisputed classic, The Divided Self (1960; see Itten & Young, 2012), followed by Self and Others (1961) and others. Before post-modernism and deconstruction, Laing posited the dispersion of self in the bosom of the modern family with its attendant anxieties and insecurities (Laing, 1969; Di Nicola, 2022). Instead of the romantic notion of two becoming one, Laing gives us a vision of the self at odds with and divided against itself, and this opens up vistas for admitting all kinds of psychological and relational experiences on the analytic couch, including psychosis and paranoia. Furthermore, he attempted to normalize such experiences going so far as to argue that they were part of a process of psychic exploration and a shamanic journey rather than pathologizing them. This has even greater resonance today in such contemporary movements as the Hearing Voices Network.
In Laing’s (1987a) model, employing “existential phenomenology in psychotherapy,” even supposedly psychotic and paranoid experiences have meaning if we could only hear them and understand them. Rather than being reductive, it’s hermeneutic, leading existential philosopher Jean-Paul Sartre (1964) to write of Laing’s and Cooper’s (1964) efforts create “a truly human psychiatry”:
"I am convinced that your efforts will bring us closer to the day when psychiatry will, at last, become a truly human psychiatry."
Keywords: RD Laing, social phenomenology, Karl Jaspers, J-P Sartre, psychotherapy, schizophrenia, paranoia
AUTHOR BIOGRAPHY
Joost Abraham Maurits Meerloo (March 14, 1903 â November 17, 1976) was a Dutch Doctor of Medicine and psychoanalyst.
Born as Abraham Maurits 'Bram' Meerloo in The Hague, Netherlands, he came to United States in 1946, was naturalized in 1950, and resumed Dutch citizenship in 1972. Dr. Meerloo was a practicing psychiatrist for over forty years. He did staff psychiatric work in Holland and worked as a general practitioner until 1942 under Nazi occupation, when he assumed the name Joost to fool the occupying forces and in 1942 fled to England (after barely eluding death at the hands of the Germans). He was chief of the Psychological Department of the Dutch Army-in-Exile in England.
After the war he served as High Commissioner for Welfare in Holland, and was an advisor to UNRRA and SHAEF. An American citizen since 1950, Dr. Meerloo was a member of the faculty at Columbia University and Associate Professor of Psychiatry at the New York School of Psychiatry. He was the author of many books, including Rape of the Mind, the classic work on brainwashing, Conversation and Communication, and Hidden Communion.
He was the son of Bernard and Anna (Benjamins) Meerloo. He married Louisa Betty Duits (a physical therapist), May 7, 1948.
Education: University of Leiden, M.D., 1927; University of Utrecht, Ph.D., 1932.
Meerloo specialized in the area of thought control techniques used by totalitarian regimes.
This book has regained prominence because of the Barack H, Obama regime, and the methods that were used to establish it. One can gain many useful insights into Obama's campaign strategy by reading this book.
As we are getting further from the 20th century many historical facts become clearer and clearer. Looking at the past century in perspective helps us to figure out our way forward. Jung and Frankl urged humanity to assimilate the devastation of the two World Wars by taking personal responsibility, and become aware of our projections, such as nationalism. They insist that reason is not enough to prevent future tragedies. These post-World War issues were never dealt with by humanity, just swept under the rug, as in the second half of the 20th century psychiatry identified
with psychopharmacology. Moreover, psychology's self-imposed limitation to the cognitive domain alone, neglecting the study of emotion or introspection is setting the stage for the 21st century repetition of history. The idea is that the current trajectories of both psychiatry and psychology are unsustainable as they direct us towards polarization, thus opening the way for the terrible enantiodromia. The events world-wide such as geographical fragmentation and failure of the nation states are proofs that we, humans have not dealt with our dormant demons.
‘वोटर्स विल मस्ट प्रीवेल’ (मतदाताओं को जीतना होगा) अभियान द्वारा जारी हेल्पलाइन नंबर, 4 जून को सुबह 7 बजे से दोपहर 12 बजे तक मतगणना प्रक्रिया में कहीं भी किसी भी तरह के उल्लंघन की रिपोर्ट करने के लिए खुला रहेगा।
हम आग्रह करते हैं कि जो भी सत्ता में आए, वह संविधान का पालन करे, उसकी रक्षा करे और उसे बनाए रखे।" प्रस्ताव में कुल तीन प्रमुख हस्तक्षेप और उनके तंत्र भी प्रस्तुत किए गए। पहला हस्तक्षेप स्वतंत्र मीडिया को प्रोत्साहित करके, वास्तविकता पर आधारित काउंटर नैरेटिव का निर्माण करके और सत्तारूढ़ सरकार द्वारा नियोजित मनोवैज्ञानिक हेरफेर की रणनीति का मुकाबला करके लोगों द्वारा निर्धारित कथा को बनाए रखना और उस पर कार्यकरना था।
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role of women and girls in various terror groupssadiakorobi2
Women have three distinct types of involvement: direct involvement in terrorist acts; enabling of others to commit such acts; and facilitating the disengagement of others from violent or extremist groups.
In a May 9, 2024 paper, Juri Opitz from the University of Zurich, along with Shira Wein and Nathan Schneider form Georgetown University, discussed the importance of linguistic expertise in natural language processing (NLP) in an era dominated by large language models (LLMs).
The authors explained that while machine translation (MT) previously relied heavily on linguists, the landscape has shifted. “Linguistics is no longer front and center in the way we build NLP systems,” they said. With the emergence of LLMs, which can generate fluent text without the need for specialized modules to handle grammar or semantic coherence, the need for linguistic expertise in NLP is being questioned.
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1. IS NATIONALISM A MENTAL ILLNESS?
The Anatomy of Extremists’ Mind
Fanaticism is found only in individuals who are
compensating secret doubts – C.G. Jung
Nationalism is defined on two levels: individual and national.
On the individual level it denotes the attitude a person has towards his/her
national identity (psychological aspect).
On the national level it is defined as the actions a nation takes when asserting
self-determination from other nation or nations (geopolitical aspect).
National identity is defined as a common origin, ethnicity or culture. As such it
is most often identified with an allegiance to a home or homeland.
INDIVIDUAL LEVEL
When it comes to the idea of home, most people agree that it is psychologically
important. Upon careful psychological analysis this notion includes not only a
physical place (house), but also a symbolic meaning, thus a feeling. The feeling
projected is most often that of security, privacy and familiarity. This makes it a
physical-emotional compound that I call limit-notion.
Attachment to a home place is seen by some sociologists as a primordial
sentiment (Fried 2000). We talk about early life attachment to a mother figure
and a place-home. Environmental psychologists talk about a “place bound
affection” through which people maintain closeness to a place (Hidalgo and
Hernandez, 2001, p. 274).
2. A nation is a cultural group, possibly but not necessarily united by a common
descent, endowed with civic ties (Seymour 2000).
Like the notion of “home”, the idea of a “nation” includes a physical place (the
nation -state) and a symbolic meaning or “ethnosymbolism” (Anthony Smith
2008). The projected feelings are those of protection, security and familiarity.
Thus “home” and “nation” become equated in the dimension of feeling.
It is important to become aware of notions that are in part reason and in part
feeling. I call them limit- notions because they are amalgams of physical reality
and a projected feeling.
Nationalism has long been ignored and considered a relic of the pre-WWII
Europe. Political philosophy there attempted to bury it under the pragmatic
symbol of the European Union. The slogan “united we are richer” gained
popularity. The implied, but not communicated meaning was “united we lose
national sovereignty”.
After the WWII nationalism seemed defeated.
The Balkan wars of the 90’s, the current economic crisis, and globalization
helped the resurrection this old ghost .
The Balkan wars
After German nationalism sparked WWII most European countries placed
safeguards in their constitutions, preventing extremist parties’ access to the
political power. The Balkan wars revealed the inefficiency of those safeguards.
Recent Economic Crisis
Under economic pressure, Europe did not show a unified response. On the
contrary the reliance on nation states once more took center stage. Germany
and France behavior revealed to the world that they were in favor of the EU
only as long as it is in their national interest.
Globalization
3. Like in the movie Up in the AIR globalization attempts to broaden our notion of
home as to include the whole “global village”. Are we ready to became as
“evolved” or emancipated as to give up the idea of “home” or “nation” in favor
of a global home or a global country? It is interesting to note that nationalism
became more prevalent as the globalization forces gained strength. For
example in the United States we established a Department of Homeland
Security. The Tea Party Movement can also be seen as a reaction to
globalization. In Europe even the most tolerant countries like the Netherlands
and Switzerland have witnessed right wing parties attempting to gain access to
political power. Psychologically speaking this response is compensatory. If the
idea of “home” or “nation” would be totally rational, rather than limit-notions,
they could be broadened. Rationally speaking it should work, but at the
emotional level it triggers an irrational response. Since we are dealing with
projections of feelings, they always evoke compensatory responses and the
outcome is less certain. Nostalgia for “home” or “nation” is a projected feeling
and nationalism is a compensatory response.
In her book “Five Roads to Modernity” Liah Greenfield distinguishes between
civic nationalism (patriotism) and ethnic nationalism (extremism). Ethnic
nationalism sees nationality as determined genetically, entirely independent of
the individual volition, and thus inherent (Greenfield Liah, Nationalism in
Western and Eastern Europe, 1995).
NATIONAL LEVEL
Germany and Russia are the quintessential example of ethnic nationalism. The
psychological factor in the development of ethnic nationalism is the sentiment
of inferiority or resentment due to national humiliation.
Prussia’s defeat by Napoleon in 1806 was humiliating and initiated a radical
transformation of the German economy and society, along Western lines. This
led to the emancipation of serfs in 1807 and opened a path for Germany to join
the developed European countries England and France. This culminated in 1871
in the Prussian-led unification of Germany. But Germany was already late in
abandoning feudal relations and joining the major European Empires. The Reich
4. responded to its Western rivals by producing extremist ideologies and
movements.
The Russian Empire suffered its own humiliation during the Crimean War (1853-
1856). In response the tsar abolishes serfdom in 1861, but it took another
humiliation (the Japanese war of 1905) to force the country out of feudal
relations. Russia joined the European pie even later than Germany. The only
response it could mount against the major Western Empires at this time was
compensatory - extremist ideologies and ethnic nationalism.
The idea of nation, Rodina for the Russians and Vaterland for Germans are
metaphors of kinship (mother or father images projected on the physical land)
and thus limit-notions. Limit notions always trigger irrational (compensatory)
responses.
In its extreme form, nationalism can be equated to a cognitive disorder. The
individual’s thought process becomes concrete. The metaphor of motherland or
fatherland loses its depth and they become the real mother or father on a
collective level. In order to join them on that level, the individual becomes
devoid of individuality and totally dissolved into the collective, the society. In
this state the individual is in a hypofrontal state in which the dorso-lateral
prefrontal cortex(DLPFC) is hypofunctional and the collective social mind takes
over his/her executive functions. The individual cognitive faculties are now
processed through the collective mind. The collective mind is ancestral,
subcortical, thus lacking adequate censorship. Under the spell of the collective
or societal mind, the individual is no different than a cognitively impaired
person. Insight is lacking because of an intentionally inhibited DLPFC.
5. DLPFC exerts inhibitory control over VMPFC (brown) and OFC (blue)
Neurobiology teaches that the dorso-lateral prefrontal cortex (DLPFC)
processes analytical thinking, cognitive function and thus insight.
The ventro-medial prefrontal cortex (VMPFC) is in charge of the emotional
processing.
The orbito-frontal cortex (OFC) regulates impulses.
It could be postulated, that the information processing in the DLPFC of
extremists is impaired, leading to the disinhibition of the OFC and VMPFC.
In extremists the rational component of the limit-notion helps evade the DLPFC
censor. The censor focuses on the rational aspect only and “marks” the entire
limit-notion as “correct” or “acceptable”. The feeling component thus evades
detection.
6. Because a rational part is present in the limit-notion, the censor fails to detect
the feeling attached to it. It could be said that the feeling component of a limit
notion is a stealth aircraft that avoids radars or a virus that hides behind a
vector, cheating detection systems.
This raises another interesting question: is a half-truth more harmful than a full
lie?
In part two of this article I will elaborate on the systems neuroscience aspect of
extremism. I will be describing a top-down (inhibitory system) and a down-up
(activatory system). I will also examine the role of amygdale in extremists’
information processing.
ADONIS SFERA, MD